19508580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 74887680

約数和(自身を除く): 55379100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 397, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 794, 819, 910, 945, 1092, 1170, 1191, 1260, 1365, 1404, 1588, 1638, 1755, 1820, 1890, 1985, 2340, 2382, 2457, 2730, 2779, 3276, 3510, 3573, 3780, 3970, 4095, 4764, 4914, 5161, 5460, 5558, 5955, 7020, 7146, 7940, 8190, 8337, 9828, 10322, 10719, 11116, 11910, 12285, 13895, 14292, 15483, 16380, 16674, 17865, 20644, 21438, 23820, 24570, 25011, 25805, 27790, 30966, 33348, 35730, 36127, 41685, 42876, 46449, 49140, 50022, 51610, 53595, 55580, 61932, 71460, 72254, 75033, 77415, 83370, 92898, 100044, 103220, 107190, 108381, 125055, 139347, 144508, 150066, 154830, 166740, 180635, 185796, 214380, 216762, 232245, 250110, 278694, 300132, 309660, 325143, 361270, 375165, 433524, 464490, 500220, 541905, 557388, 650286, 696735, 722540, 750330, 928980, 975429, 1083810, 1300572, 1393470, 1500660, 1625715, 1950858, 2167620, 2786940, 3251430, 3901716, 4877145, 6502860, 9754290, 19508580]

約数ペア:

[(1, 19508580), (2, 9754290), (3, 6502860), (4, 4877145), (5, 3901716), (6, 3251430), (7, 2786940), (9, 2167620), (10, 1950858), (12, 1625715), (13, 1500660), (14, 1393470), (15, 1300572), (18, 1083810), (20, 975429), (21, 928980), (26, 750330), (27, 722540), (28, 696735), (30, 650286), (35, 557388), (36, 541905), (39, 500220), (42, 464490), (45, 433524), (52, 375165), (54, 361270), (60, 325143), (63, 309660), (65, 300132), (70, 278694), (78, 250110), (84, 232245), (90, 216762), (91, 214380), (105, 185796), (108, 180635), (117, 166740), (126, 154830), (130, 150066), (135, 144508), (140, 139347), (156, 125055), (180, 108381), (182, 107190), (189, 103220), (195, 100044), (210, 92898), (234, 83370), (252, 77415), (260, 75033), (270, 72254), (273, 71460), (315, 61932), (351, 55580), (364, 53595), (378, 51610), (390, 50022), (397, 49140), (420, 46449), (455, 42876), (468, 41685), (540, 36127), (546, 35730), (585, 33348), (630, 30966), (702, 27790), (756, 25805), (780, 25011), (794, 24570), (819, 23820), (910, 21438), (945, 20644), (1092, 17865), (1170, 16674), (1191, 16380), (1260, 15483), (1365, 14292), (1404, 13895), (1588, 12285), (1638, 11910), (1755, 11116), (1820, 10719), (1890, 10322), (1985, 9828), (2340, 8337), (2382, 8190), (2457, 7940), (2730, 7146), (2779, 7020), (3276, 5955), (3510, 5558), (3573, 5460), (3780, 5161), (3970, 4914), (4095, 4764)]