19049690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 40497408

約数和(自身を除く): 21447718

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 61, 85, 110, 122, 167, 170, 187, 305, 334, 374, 610, 671, 835, 935, 1037, 1342, 1670, 1837, 1870, 2074, 2839, 3355, 3674, 5185, 5678, 6710, 9185, 10187, 10370, 11407, 14195, 18370, 20374, 22814, 28390, 31229, 50935, 57035, 62458, 101870, 112057, 114070, 156145, 173179, 224114, 312290, 346358, 560285, 865895, 1120570, 1731790, 1904969, 3809938, 9524845, 19049690]

約数ペア:

[(1, 19049690), (2, 9524845), (5, 3809938), (10, 1904969), (11, 1731790), (17, 1120570), (22, 865895), (34, 560285), (55, 346358), (61, 312290), (85, 224114), (110, 173179), (122, 156145), (167, 114070), (170, 112057), (187, 101870), (305, 62458), (334, 57035), (374, 50935), (610, 31229), (671, 28390), (835, 22814), (935, 20374), (1037, 18370), (1342, 14195), (1670, 11407), (1837, 10370), (1870, 10187), (2074, 9185), (2839, 6710), (3355, 5678), (3674, 5185)]