19969278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3191}}^1$

素因数の和:3352

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25995522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 3191, 6258, 6382, 9573, 19146, 22337, 44674, 67011, 134022, 475459, 950918, 1426377, 2852754, 3328213, 6656426, 9984639, 19969278]

約数ペア:

[(1, 19969278), (2, 9984639), (3, 6656426), (6, 3328213), (7, 2852754), (14, 1426377), (21, 950918), (42, 475459), (149, 134022), (298, 67011), (447, 44674), (894, 22337), (1043, 19146), (2086, 9573), (3129, 6382), (3191, 6258)]