18966832

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 39345696

約数和(自身を除く): 20378864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 677, 824, 1354, 1648, 1751, 2708, 3502, 5416, 7004, 10832, 11509, 14008, 23018, 28016, 46036, 69731, 92072, 139462, 184144, 278924, 557848, 1115696, 1185427, 2370854, 4741708, 9483416, 18966832]

約数ペア:

[(1, 18966832), (2, 9483416), (4, 4741708), (8, 2370854), (16, 1185427), (17, 1115696), (34, 557848), (68, 278924), (103, 184144), (136, 139462), (206, 92072), (272, 69731), (412, 46036), (677, 28016), (824, 23018), (1354, 14008), (1648, 11509), (1751, 10832), (2708, 7004), (3502, 5416)]