18586240

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 45000360

約数和(自身を除く): 26414120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 257, 320, 452, 514, 565, 640, 904, 1028, 1130, 1285, 1808, 2056, 2260, 2570, 3616, 4112, 4520, 5140, 7232, 8224, 9040, 10280, 14464, 16448, 18080, 20560, 29041, 32896, 36160, 41120, 58082, 72320, 82240, 116164, 145205, 164480, 232328, 290410, 464656, 580820, 929312, 1161640, 1858624, 2323280, 3717248, 4646560, 9293120, 18586240]

約数ペア:

[(1, 18586240), (2, 9293120), (4, 4646560), (5, 3717248), (8, 2323280), (10, 1858624), (16, 1161640), (20, 929312), (32, 580820), (40, 464656), (64, 290410), (80, 232328), (113, 164480), (128, 145205), (160, 116164), (226, 82240), (257, 72320), (320, 58082), (452, 41120), (514, 36160), (565, 32896), (640, 29041), (904, 20560), (1028, 18080), (1130, 16448), (1285, 14464), (1808, 10280), (2056, 9040), (2260, 8224), (2570, 7232), (3616, 5140), (4112, 4520)]