18362240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2207}}^1$

素因数の和:2239

約数の個数: 64

約数和(自身を含む): 47295360

約数和(自身を除く): 28933120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2207, 4160, 4414, 8320, 8828, 11035, 17656, 22070, 28691, 35312, 44140, 57382, 70624, 88280, 114764, 141248, 143455, 176560, 229528, 282496, 286910, 353120, 459056, 573820, 706240, 918112, 1147640, 1412480, 1836224, 2295280, 3672448, 4590560, 9181120, 18362240]

約数ペア:

[(1, 18362240), (2, 9181120), (4, 4590560), (5, 3672448), (8, 2295280), (10, 1836224), (13, 1412480), (16, 1147640), (20, 918112), (26, 706240), (32, 573820), (40, 459056), (52, 353120), (64, 286910), (65, 282496), (80, 229528), (104, 176560), (128, 143455), (130, 141248), (160, 114764), (208, 88280), (260, 70624), (320, 57382), (416, 44140), (520, 35312), (640, 28691), (832, 22070), (1040, 17656), (1664, 11035), (2080, 8828), (2207, 8320), (4160, 4414)]