18446872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{773}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 36687600

約数和(自身を除く): 18240728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 773, 1256, 1546, 2983, 3092, 5966, 6184, 11932, 14687, 23864, 29374, 58748, 117496, 121361, 242722, 485444, 970888, 2305859, 4611718, 9223436, 18446872]

約数ペア:

[(1, 18446872), (2, 9223436), (4, 4611718), (8, 2305859), (19, 970888), (38, 485444), (76, 242722), (152, 121361), (157, 117496), (314, 58748), (628, 29374), (773, 23864), (1256, 14687), (1546, 11932), (2983, 6184), (3092, 5966)]