19783580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1934

約数の個数: 48

約数和(自身を含む): 45432576

約数和(自身を除く): 25648996

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1877, 2108, 2635, 3754, 5270, 7508, 9385, 10540, 18770, 31909, 37540, 58187, 63818, 116374, 127636, 159545, 232748, 290935, 319090, 581870, 638180, 989179, 1163740, 1978358, 3956716, 4945895, 9891790, 19783580]

約数ペア:

[(1, 19783580), (2, 9891790), (4, 4945895), (5, 3956716), (10, 1978358), (17, 1163740), (20, 989179), (31, 638180), (34, 581870), (62, 319090), (68, 290935), (85, 232748), (124, 159545), (155, 127636), (170, 116374), (310, 63818), (340, 58187), (527, 37540), (620, 31909), (1054, 18770), (1877, 10540), (2108, 9385), (2635, 7508), (3754, 5270)]