19739006960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:847

約数の個数: 160

約数和(自身を含む): 48442613760

約数和(自身を除く): 28703606800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 313, 431, 472, 496, 590, 620, 626, 862, 944, 1180, 1240, 1252, 1565, 1724, 1829, 2155, 2360, 2480, 2504, 3130, 3448, 3658, 4310, 4720, 5008, 6260, 6896, 7316, 8620, 9145, 9703, 12520, 13361, 14632, 17240, 18290, 18467, 19406, 25040, 25429, 26722, 29264, 34480, 36580, 36934, 38812, 48515, 50858, 53444, 66805, 73160, 73868, 77624, 92335, 97030, 101716, 106888, 127145, 133610, 134903, 146320, 147736, 155248, 184670, 194060, 203432, 213776, 254290, 267220, 269806, 295472, 369340, 388120, 406864, 508580, 534440, 539612, 572477, 674515, 738680, 776240, 788299, 1017160, 1068880, 1079224, 1144954, 1349030, 1477360, 1576598, 2034320, 2158448, 2289908, 2698060, 2862385, 3153196, 3941495, 4181993, 4579816, 5396120, 5724770, 6306392, 7882990, 7959277, 8363986, 9159632, 10792240, 11449540, 12612784, 15765980, 15918554, 16727972, 20909965, 22899080, 31531960, 31837108, 33455944, 39796385, 41819930, 45798160, 63063920, 63674216, 66911888, 79592770, 83639860, 127348432, 159185540, 167279720, 246737587, 318371080, 334559440, 493475174, 636742160, 986950348, 1233687935, 1973900696, 2467375870, 3947801392, 4934751740, 9869503480, 19739006960]

約数ペア:

[(1, 19739006960), (2, 9869503480), (4, 4934751740), (5, 3947801392), (8, 2467375870), (10, 1973900696), (16, 1233687935), (20, 986950348), (31, 636742160), (40, 493475174), (59, 334559440), (62, 318371080), (80, 246737587), (118, 167279720), (124, 159185540), (155, 127348432), (236, 83639860), (248, 79592770), (295, 66911888), (310, 63674216), (313, 63063920), (431, 45798160), (472, 41819930), (496, 39796385), (590, 33455944), (620, 31837108), (626, 31531960), (862, 22899080), (944, 20909965), (1180, 16727972), (1240, 15918554), (1252, 15765980), (1565, 12612784), (1724, 11449540), (1829, 10792240), (2155, 9159632), (2360, 8363986), (2480, 7959277), (2504, 7882990), (3130, 6306392), (3448, 5724770), (3658, 5396120), (4310, 4579816), (4720, 4181993), (5008, 3941495), (6260, 3153196), (6896, 2862385), (7316, 2698060), (8620, 2289908), (9145, 2158448), (9703, 2034320), (12520, 1576598), (13361, 1477360), (14632, 1349030), (17240, 1144954), (18290, 1079224), (18467, 1068880), (19406, 1017160), (25040, 788299), (25429, 776240), (26722, 738680), (29264, 674515), (34480, 572477), (36580, 539612), (36934, 534440), (38812, 508580), (48515, 406864), (50858, 388120), (53444, 369340), (66805, 295472), (73160, 269806), (73868, 267220), (77624, 254290), (92335, 213776), (97030, 203432), (101716, 194060), (106888, 184670), (127145, 155248), (133610, 147736), (134903, 146320)]