19898714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 14108326

約数列:

[1, 2, 11, 22, 31, 62, 163, 179, 326, 341, 358, 682, 1793, 1969, 3586, 3938, 5053, 5549, 10106, 11098, 29177, 55583, 58354, 61039, 111166, 122078, 320947, 641894, 904487, 1808974, 9949357, 19898714]

約数ペア:

[(1, 19898714), (2, 9949357), (11, 1808974), (22, 904487), (31, 641894), (62, 320947), (163, 122078), (179, 111166), (326, 61039), (341, 58354), (358, 55583), (682, 29177), (1793, 11098), (1969, 10106), (3586, 5549), (3938, 5053)]