18421234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 32006016

約数和(自身を除く): 13584782

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 587, 923, 1174, 1207, 1846, 2414, 7631, 9979, 15262, 15691, 19958, 31382, 41677, 83354, 129727, 259454, 541801, 708509, 1083602, 1417018, 9210617, 18421234]

約数ペア:

[(1, 18421234), (2, 9210617), (13, 1417018), (17, 1083602), (26, 708509), (34, 541801), (71, 259454), (142, 129727), (221, 83354), (442, 41677), (587, 31382), (923, 19958), (1174, 15691), (1207, 15262), (1846, 9979), (2414, 7631)]