18156978904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{700717}}^1$

素因数の和:700843

約数の個数: 32

約数和(自身を含む): 35316187200

約数和(自身を除く): 17159208296

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 632, 3239, 6478, 12956, 25912, 700717, 1401434, 2802868, 5605736, 28729397, 55356643, 57458794, 110713286, 114917588, 221426572, 229835176, 442853144, 2269622363, 4539244726, 9078489452, 18156978904]

約数ペア:

[(1, 18156978904), (2, 9078489452), (4, 4539244726), (8, 2269622363), (41, 442853144), (79, 229835176), (82, 221426572), (158, 114917588), (164, 110713286), (316, 57458794), (328, 55356643), (632, 28729397), (3239, 5605736), (6478, 2802868), (12956, 1401434), (25912, 700717)]