19730308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 38171980

約数和(自身を除く): 18441672

約数列:

[1, 2, 4, 13, 26, 52, 59, 109, 118, 218, 236, 436, 767, 1417, 1534, 2834, 3068, 3481, 5668, 6431, 6962, 12862, 13924, 25724, 45253, 83603, 90506, 167206, 181012, 334412, 379429, 758858, 1517716, 4932577, 9865154, 19730308]

約数ペア:

[(1, 19730308), (2, 9865154), (4, 4932577), (13, 1517716), (26, 758858), (52, 379429), (59, 334412), (109, 181012), (118, 167206), (218, 90506), (236, 83603), (436, 45253), (767, 25724), (1417, 13924), (1534, 12862), (2834, 6962), (3068, 6431), (3481, 5668)]