19145360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 49215600

約数和(自身を除く): 30070240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 449, 520, 533, 656, 820, 898, 1040, 1066, 1640, 1796, 2132, 2245, 2665, 3280, 3592, 4264, 4490, 5330, 5837, 7184, 8528, 8980, 10660, 11674, 17960, 18409, 21320, 23348, 29185, 35920, 36818, 42640, 46696, 58370, 73636, 92045, 93392, 116740, 147272, 184090, 233480, 239317, 294544, 368180, 466960, 478634, 736360, 957268, 1196585, 1472720, 1914536, 2393170, 3829072, 4786340, 9572680, 19145360]

約数ペア:

[(1, 19145360), (2, 9572680), (4, 4786340), (5, 3829072), (8, 2393170), (10, 1914536), (13, 1472720), (16, 1196585), (20, 957268), (26, 736360), (40, 478634), (41, 466960), (52, 368180), (65, 294544), (80, 239317), (82, 233480), (104, 184090), (130, 147272), (164, 116740), (205, 93392), (208, 92045), (260, 73636), (328, 58370), (410, 46696), (449, 42640), (520, 36818), (533, 35920), (656, 29185), (820, 23348), (898, 21320), (1040, 18409), (1066, 17960), (1640, 11674), (1796, 10660), (2132, 8980), (2245, 8528), (2665, 7184), (3280, 5837), (3592, 5330), (4264, 4490)]