18463496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 36855000

約数和(自身を除く): 18391504

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 349, 389, 698, 778, 1396, 1556, 2792, 3112, 5933, 6613, 11866, 13226, 23732, 26452, 47464, 52904, 135761, 271522, 543044, 1086088, 2307937, 4615874, 9231748, 18463496]

約数ペア:

[(1, 18463496), (2, 9231748), (4, 4615874), (8, 2307937), (17, 1086088), (34, 543044), (68, 271522), (136, 135761), (349, 52904), (389, 47464), (698, 26452), (778, 23732), (1396, 13226), (1556, 11866), (2792, 6613), (3112, 5933)]