18854520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3343}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 38929800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3343, 5640, 6686, 10029, 13372, 16715, 20058, 26744, 33430, 40116, 50145, 66860, 80232, 100290, 133720, 157121, 200580, 314242, 401160, 471363, 628484, 785605, 942726, 1256968, 1571210, 1885452, 2356815, 3142420, 3770904, 4713630, 6284840, 9427260, 18854520]

約数ペア:

[(1, 18854520), (2, 9427260), (3, 6284840), (4, 4713630), (5, 3770904), (6, 3142420), (8, 2356815), (10, 1885452), (12, 1571210), (15, 1256968), (20, 942726), (24, 785605), (30, 628484), (40, 471363), (47, 401160), (60, 314242), (94, 200580), (120, 157121), (141, 133720), (188, 100290), (235, 80232), (282, 66860), (376, 50145), (470, 40116), (564, 33430), (705, 26744), (940, 20058), (1128, 16715), (1410, 13372), (1880, 10029), (2820, 6686), (3343, 5640)]