19112080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 160

約数和(自身を含む): 53996544

約数和(自身を除く): 34884464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 23, 26, 34, 40, 46, 47, 52, 65, 68, 80, 85, 92, 94, 104, 115, 130, 136, 170, 184, 188, 208, 221, 230, 235, 260, 272, 299, 340, 368, 376, 391, 442, 460, 470, 520, 598, 611, 680, 752, 782, 799, 884, 920, 940, 1040, 1081, 1105, 1196, 1222, 1360, 1495, 1564, 1598, 1768, 1840, 1880, 1955, 2162, 2210, 2392, 2444, 2990, 3055, 3128, 3196, 3536, 3760, 3910, 3995, 4324, 4420, 4784, 4888, 5083, 5405, 5980, 6110, 6256, 6392, 7820, 7990, 8648, 8840, 9776, 10166, 10387, 10810, 11960, 12220, 12784, 14053, 15640, 15980, 17296, 17680, 18377, 20332, 20774, 21620, 23920, 24440, 25415, 28106, 31280, 31960, 36754, 40664, 41548, 43240, 48880, 50830, 51935, 56212, 63920, 70265, 73508, 81328, 83096, 86480, 91885, 101660, 103870, 112424, 140530, 147016, 166192, 183770, 203320, 207740, 224848, 238901, 281060, 294032, 367540, 406640, 415480, 477802, 562120, 735080, 830960, 955604, 1124240, 1194505, 1470160, 1911208, 2389010, 3822416, 4778020, 9556040, 19112080]

約数ペア:

[(1, 19112080), (2, 9556040), (4, 4778020), (5, 3822416), (8, 2389010), (10, 1911208), (13, 1470160), (16, 1194505), (17, 1124240), (20, 955604), (23, 830960), (26, 735080), (34, 562120), (40, 477802), (46, 415480), (47, 406640), (52, 367540), (65, 294032), (68, 281060), (80, 238901), (85, 224848), (92, 207740), (94, 203320), (104, 183770), (115, 166192), (130, 147016), (136, 140530), (170, 112424), (184, 103870), (188, 101660), (208, 91885), (221, 86480), (230, 83096), (235, 81328), (260, 73508), (272, 70265), (299, 63920), (340, 56212), (368, 51935), (376, 50830), (391, 48880), (442, 43240), (460, 41548), (470, 40664), (520, 36754), (598, 31960), (611, 31280), (680, 28106), (752, 25415), (782, 24440), (799, 23920), (884, 21620), (920, 20774), (940, 20332), (1040, 18377), (1081, 17680), (1105, 17296), (1196, 15980), (1222, 15640), (1360, 14053), (1495, 12784), (1564, 12220), (1598, 11960), (1768, 10810), (1840, 10387), (1880, 10166), (1955, 9776), (2162, 8840), (2210, 8648), (2392, 7990), (2444, 7820), (2990, 6392), (3055, 6256), (3128, 6110), (3196, 5980), (3536, 5405), (3760, 5083), (3910, 4888), (3995, 4784), (4324, 4420)]