18833836

素因数分解:

$2^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:638

約数の個数: 36

約数和(自身を含む): 38588088

約数和(自身を除く): 19754252

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 307, 313, 614, 626, 1228, 1252, 2149, 2191, 4298, 4382, 8596, 8764, 15043, 15337, 30086, 30674, 60172, 61348, 96091, 192182, 384364, 672637, 1345274, 2690548, 4708459, 9416918, 18833836]

約数ペア:

[(1, 18833836), (2, 9416918), (4, 4708459), (7, 2690548), (14, 1345274), (28, 672637), (49, 384364), (98, 192182), (196, 96091), (307, 61348), (313, 60172), (614, 30674), (626, 30086), (1228, 15337), (1252, 15043), (2149, 8764), (2191, 8596), (4298, 4382)]