18121336

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 35121600

約数和(自身を除く): 17000264

約数列:

[1, 2, 4, 8, 53, 79, 106, 158, 212, 316, 424, 541, 632, 1082, 2164, 4187, 4328, 8374, 16748, 28673, 33496, 42739, 57346, 85478, 114692, 170956, 229384, 341912, 2265167, 4530334, 9060668, 18121336]

約数ペア:

[(1, 18121336), (2, 9060668), (4, 4530334), (8, 2265167), (53, 341912), (79, 229384), (106, 170956), (158, 114692), (212, 85478), (316, 57346), (424, 42739), (541, 33496), (632, 28673), (1082, 16748), (2164, 8374), (4187, 4328)]