19474420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 27716108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1231, 1582, 2260, 2462, 3164, 3955, 4924, 6155, 7910, 8617, 12310, 15820, 17234, 24620, 34468, 43085, 86170, 139103, 172340, 278206, 556412, 695515, 973721, 1391030, 1947442, 2782060, 3894884, 4868605, 9737210, 19474420]

約数ペア:

[(1, 19474420), (2, 9737210), (4, 4868605), (5, 3894884), (7, 2782060), (10, 1947442), (14, 1391030), (20, 973721), (28, 695515), (35, 556412), (70, 278206), (113, 172340), (140, 139103), (226, 86170), (452, 43085), (565, 34468), (791, 24620), (1130, 17234), (1231, 15820), (1582, 12310), (2260, 8617), (2462, 7910), (3164, 6155), (3955, 4924)]