18304640

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 45000360

約数和(自身を除く): 26695720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 773, 1184, 1480, 1546, 2368, 2960, 3092, 3865, 4736, 5920, 6184, 7730, 11840, 12368, 15460, 23680, 24736, 28601, 30920, 49472, 57202, 61840, 98944, 114404, 123680, 143005, 228808, 247360, 286010, 457616, 494720, 572020, 915232, 1144040, 1830464, 2288080, 3660928, 4576160, 9152320, 18304640]

約数ペア:

[(1, 18304640), (2, 9152320), (4, 4576160), (5, 3660928), (8, 2288080), (10, 1830464), (16, 1144040), (20, 915232), (32, 572020), (37, 494720), (40, 457616), (64, 286010), (74, 247360), (80, 228808), (128, 143005), (148, 123680), (160, 114404), (185, 98944), (296, 61840), (320, 57202), (370, 49472), (592, 30920), (640, 28601), (740, 24736), (773, 23680), (1184, 15460), (1480, 12368), (1546, 11840), (2368, 7730), (2960, 6184), (3092, 5920), (3865, 4736)]