19199596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 20215220

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 587, 629, 884, 962, 1174, 1258, 1924, 2348, 2516, 7631, 8177, 9979, 15262, 16354, 19958, 21719, 30524, 32708, 39916, 43438, 86876, 129727, 259454, 282347, 369223, 518908, 564694, 738446, 1129388, 1476892, 4799899, 9599798, 19199596]

約数ペア:

[(1, 19199596), (2, 9599798), (4, 4799899), (13, 1476892), (17, 1129388), (26, 738446), (34, 564694), (37, 518908), (52, 369223), (68, 282347), (74, 259454), (148, 129727), (221, 86876), (442, 43438), (481, 39916), (587, 32708), (629, 30524), (884, 21719), (962, 19958), (1174, 16354), (1258, 15262), (1924, 9979), (2348, 8177), (2516, 7631)]