18242628

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 44151744

約数和(自身を除く): 25909116

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 181, 222, 227, 362, 444, 454, 543, 681, 724, 908, 1086, 1362, 2172, 2724, 6697, 8399, 13394, 16798, 20091, 25197, 26788, 33596, 40182, 41087, 50394, 80364, 82174, 100788, 123261, 164348, 246522, 493044, 1520219, 3040438, 4560657, 6080876, 9121314, 18242628]

約数ペア:

[(1, 18242628), (2, 9121314), (3, 6080876), (4, 4560657), (6, 3040438), (12, 1520219), (37, 493044), (74, 246522), (111, 164348), (148, 123261), (181, 100788), (222, 82174), (227, 80364), (362, 50394), (444, 41087), (454, 40182), (543, 33596), (681, 26788), (724, 25197), (908, 20091), (1086, 16798), (1362, 13394), (2172, 8399), (2724, 6697)]