18758430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 49022064

約数和(自身を除く): 30263634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 811, 1285, 1542, 1622, 2313, 2433, 2570, 3855, 4055, 4626, 4866, 7299, 7710, 8110, 11565, 12165, 14598, 23130, 24330, 36495, 72990, 208427, 416854, 625281, 1042135, 1250562, 1875843, 2084270, 3126405, 3751686, 6252810, 9379215, 18758430]

約数ペア:

[(1, 18758430), (2, 9379215), (3, 6252810), (5, 3751686), (6, 3126405), (9, 2084270), (10, 1875843), (15, 1250562), (18, 1042135), (30, 625281), (45, 416854), (90, 208427), (257, 72990), (514, 36495), (771, 24330), (811, 23130), (1285, 14598), (1542, 12165), (1622, 11565), (2313, 8110), (2433, 7710), (2570, 7299), (3855, 4866), (4055, 4626)]