18047360

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 43660080

約数和(自身を除く): 25612720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 173, 320, 326, 346, 640, 652, 692, 815, 865, 1304, 1384, 1630, 1730, 2608, 2768, 3260, 3460, 5216, 5536, 6520, 6920, 10432, 11072, 13040, 13840, 20864, 22144, 26080, 27680, 28199, 52160, 55360, 56398, 104320, 110720, 112796, 140995, 225592, 281990, 451184, 563980, 902368, 1127960, 1804736, 2255920, 3609472, 4511840, 9023680, 18047360]

約数ペア:

[(1, 18047360), (2, 9023680), (4, 4511840), (5, 3609472), (8, 2255920), (10, 1804736), (16, 1127960), (20, 902368), (32, 563980), (40, 451184), (64, 281990), (80, 225592), (128, 140995), (160, 112796), (163, 110720), (173, 104320), (320, 56398), (326, 55360), (346, 52160), (640, 28199), (652, 27680), (692, 26080), (815, 22144), (865, 20864), (1304, 13840), (1384, 13040), (1630, 11072), (1730, 10432), (2608, 6920), (2768, 6520), (3260, 5536), (3460, 5216)]