18449680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 27690224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 271, 296, 368, 370, 460, 542, 592, 740, 851, 920, 1084, 1355, 1480, 1702, 1840, 2168, 2710, 2960, 3404, 4255, 4336, 5420, 6233, 6808, 8510, 10027, 10840, 12466, 13616, 17020, 20054, 21680, 24932, 31165, 34040, 40108, 49864, 50135, 62330, 68080, 80216, 99728, 100270, 124660, 160432, 200540, 230621, 249320, 401080, 461242, 498640, 802160, 922484, 1153105, 1844968, 2306210, 3689936, 4612420, 9224840, 18449680]

約数ペア:

[(1, 18449680), (2, 9224840), (4, 4612420), (5, 3689936), (8, 2306210), (10, 1844968), (16, 1153105), (20, 922484), (23, 802160), (37, 498640), (40, 461242), (46, 401080), (74, 249320), (80, 230621), (92, 200540), (115, 160432), (148, 124660), (184, 100270), (185, 99728), (230, 80216), (271, 68080), (296, 62330), (368, 50135), (370, 49864), (460, 40108), (542, 34040), (592, 31165), (740, 24932), (851, 21680), (920, 20054), (1084, 17020), (1355, 13616), (1480, 12466), (1702, 10840), (1840, 10027), (2168, 8510), (2710, 6808), (2960, 6233), (3404, 5420), (4255, 4336)]