18824805

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 34421112

約数和(自身を除く): 15596307

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 877, 1431, 2385, 2631, 4293, 4385, 7155, 7893, 13155, 21465, 23679, 39465, 46481, 71037, 118395, 139443, 232405, 355185, 418329, 697215, 1254987, 2091645, 3764961, 6274935, 18824805]

約数ペア:

[(1, 18824805), (3, 6274935), (5, 3764961), (9, 2091645), (15, 1254987), (27, 697215), (45, 418329), (53, 355185), (81, 232405), (135, 139443), (159, 118395), (265, 71037), (405, 46481), (477, 39465), (795, 23679), (877, 21465), (1431, 13155), (2385, 7893), (2631, 7155), (4293, 4385)]