18619040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 30369760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 149, 160, 176, 220, 284, 298, 352, 355, 440, 568, 596, 710, 745, 781, 880, 1136, 1192, 1420, 1490, 1562, 1639, 1760, 2272, 2384, 2840, 2980, 3124, 3278, 3905, 4768, 5680, 5960, 6248, 6556, 7810, 8195, 10579, 11360, 11920, 12496, 13112, 15620, 16390, 21158, 23840, 24992, 26224, 31240, 32780, 42316, 52448, 52895, 62480, 65560, 84632, 105790, 116369, 124960, 131120, 169264, 211580, 232738, 262240, 338528, 423160, 465476, 581845, 846320, 930952, 1163690, 1692640, 1861904, 2327380, 3723808, 4654760, 9309520, 18619040]

約数ペア:

[(1, 18619040), (2, 9309520), (4, 4654760), (5, 3723808), (8, 2327380), (10, 1861904), (11, 1692640), (16, 1163690), (20, 930952), (22, 846320), (32, 581845), (40, 465476), (44, 423160), (55, 338528), (71, 262240), (80, 232738), (88, 211580), (110, 169264), (142, 131120), (149, 124960), (160, 116369), (176, 105790), (220, 84632), (284, 65560), (298, 62480), (352, 52895), (355, 52448), (440, 42316), (568, 32780), (596, 31240), (710, 26224), (745, 24992), (781, 23840), (880, 21158), (1136, 16390), (1192, 15620), (1420, 13112), (1490, 12496), (1562, 11920), (1639, 11360), (1760, 10579), (2272, 8195), (2384, 7810), (2840, 6556), (2980, 6248), (3124, 5960), (3278, 5680), (3905, 4768)]