18690616

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 43934400

約数和(自身を除く): 25243784

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 34, 56, 58, 68, 116, 119, 136, 203, 232, 238, 406, 476, 493, 677, 812, 952, 986, 1354, 1624, 1972, 2708, 3451, 3944, 4739, 5416, 6902, 9478, 11509, 13804, 18956, 19633, 23018, 27608, 37912, 39266, 46036, 78532, 80563, 92072, 137431, 157064, 161126, 274862, 322252, 333761, 549724, 644504, 667522, 1099448, 1335044, 2336327, 2670088, 4672654, 9345308, 18690616]

約数ペア:

[(1, 18690616), (2, 9345308), (4, 4672654), (7, 2670088), (8, 2336327), (14, 1335044), (17, 1099448), (28, 667522), (29, 644504), (34, 549724), (56, 333761), (58, 322252), (68, 274862), (116, 161126), (119, 157064), (136, 137431), (203, 92072), (232, 80563), (238, 78532), (406, 46036), (476, 39266), (493, 37912), (677, 27608), (812, 23018), (952, 19633), (986, 18956), (1354, 13804), (1624, 11509), (1972, 9478), (2708, 6902), (3451, 5416), (3944, 4739)]