18157972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 39529728

約数和(自身を除く): 21371756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 476, 518, 629, 1031, 1036, 1258, 2062, 2516, 4124, 4403, 7217, 8806, 14434, 17527, 17612, 28868, 35054, 38147, 70108, 76294, 122689, 152588, 245378, 267029, 490756, 534058, 648499, 1068116, 1296998, 2593996, 4539493, 9078986, 18157972]

約数ペア:

[(1, 18157972), (2, 9078986), (4, 4539493), (7, 2593996), (14, 1296998), (17, 1068116), (28, 648499), (34, 534058), (37, 490756), (68, 267029), (74, 245378), (119, 152588), (148, 122689), (238, 76294), (259, 70108), (476, 38147), (518, 35054), (629, 28868), (1031, 17612), (1036, 17527), (1258, 14434), (2062, 8806), (2516, 7217), (4124, 4403)]