18158968

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 16838792

約数列:

[1, 2, 4, 8, 61, 122, 127, 244, 254, 293, 488, 508, 586, 1016, 1172, 2344, 7747, 15494, 17873, 30988, 35746, 37211, 61976, 71492, 74422, 142984, 148844, 297688, 2269871, 4539742, 9079484, 18158968]

約数ペア:

[(1, 18158968), (2, 9079484), (4, 4539742), (8, 2269871), (61, 297688), (122, 148844), (127, 142984), (244, 74422), (254, 71492), (293, 61976), (488, 37211), (508, 35746), (586, 30988), (1016, 17873), (1172, 15494), (2344, 7747)]