18248960

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 44702280

約数和(自身を除く): 26453320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 269, 320, 424, 530, 538, 640, 848, 1060, 1076, 1280, 1345, 1696, 2120, 2152, 2690, 3392, 4240, 4304, 5380, 6784, 8480, 8608, 10760, 13568, 14257, 16960, 17216, 21520, 28514, 33920, 34432, 43040, 57028, 67840, 68864, 71285, 86080, 114056, 142570, 172160, 228112, 285140, 344320, 456224, 570280, 912448, 1140560, 1824896, 2281120, 3649792, 4562240, 9124480, 18248960]

約数ペア:

[(1, 18248960), (2, 9124480), (4, 4562240), (5, 3649792), (8, 2281120), (10, 1824896), (16, 1140560), (20, 912448), (32, 570280), (40, 456224), (53, 344320), (64, 285140), (80, 228112), (106, 172160), (128, 142570), (160, 114056), (212, 86080), (256, 71285), (265, 68864), (269, 67840), (320, 57028), (424, 43040), (530, 34432), (538, 33920), (640, 28514), (848, 21520), (1060, 17216), (1076, 16960), (1280, 14257), (1345, 13568), (1696, 10760), (2120, 8608), (2152, 8480), (2690, 6784), (3392, 5380), (4240, 4304)]