18815220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34843}}^1$

素因数の和:34861

約数の個数: 48

約数和(自身を含む): 58537920

約数和(自身を除く): 39722700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 34843, 69686, 104529, 139372, 174215, 209058, 313587, 348430, 418116, 522645, 627174, 696860, 940761, 1045290, 1254348, 1567935, 1881522, 2090580, 3135870, 3763044, 4703805, 6271740, 9407610, 18815220]

約数ペア:

[(1, 18815220), (2, 9407610), (3, 6271740), (4, 4703805), (5, 3763044), (6, 3135870), (9, 2090580), (10, 1881522), (12, 1567935), (15, 1254348), (18, 1045290), (20, 940761), (27, 696860), (30, 627174), (36, 522645), (45, 418116), (54, 348430), (60, 313587), (90, 209058), (108, 174215), (135, 139372), (180, 104529), (270, 69686), (540, 34843)]