19925620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6967}}^1$

素因数の和:7000

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 29240588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6967, 13934, 27868, 34835, 69670, 76637, 90571, 139340, 153274, 181142, 306548, 362284, 383185, 452855, 766370, 905710, 996281, 1532740, 1811420, 1992562, 3985124, 4981405, 9962810, 19925620]

約数ペア:

[(1, 19925620), (2, 9962810), (4, 4981405), (5, 3985124), (10, 1992562), (11, 1811420), (13, 1532740), (20, 996281), (22, 905710), (26, 766370), (44, 452855), (52, 383185), (55, 362284), (65, 306548), (110, 181142), (130, 153274), (143, 139340), (220, 90571), (260, 76637), (286, 69670), (572, 34835), (715, 27868), (1430, 13934), (2860, 6967)]