18156112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2191

約数の個数: 40

約数和(自身を含む): 38825640

約数和(自身を除く): 20669528

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2129, 2132, 4258, 4264, 8516, 8528, 17032, 27677, 34064, 55354, 87289, 110708, 174578, 221416, 349156, 442832, 698312, 1134757, 1396624, 2269514, 4539028, 9078056, 18156112]

約数ペア:

[(1, 18156112), (2, 9078056), (4, 4539028), (8, 2269514), (13, 1396624), (16, 1134757), (26, 698312), (41, 442832), (52, 349156), (82, 221416), (104, 174578), (164, 110708), (208, 87289), (328, 55354), (533, 34064), (656, 27677), (1066, 17032), (2129, 8528), (2132, 8516), (4258, 4264)]