19712792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13177}}^1$

素因数の和:13211

約数の個数: 32

約数和(自身を含む): 42696720

約数和(自身を除く): 22983928

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13177, 26354, 52708, 105416, 144947, 224009, 289894, 448018, 579788, 896036, 1159576, 1792072, 2464099, 4928198, 9856396, 19712792]

約数ペア:

[(1, 19712792), (2, 9856396), (4, 4928198), (8, 2464099), (11, 1792072), (17, 1159576), (22, 896036), (34, 579788), (44, 448018), (68, 289894), (88, 224009), (136, 144947), (187, 105416), (374, 52708), (748, 26354), (1496, 13177)]