18475184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12689}}^1$

素因数の和:12717

約数の個数: 40

約数和(自身を含む): 44059680

約数和(自身を除く): 25584496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12689, 25378, 50756, 88823, 101512, 164957, 177646, 203024, 329914, 355292, 659828, 710584, 1154699, 1319656, 1421168, 2309398, 2639312, 4618796, 9237592, 18475184]

約数ペア:

[(1, 18475184), (2, 9237592), (4, 4618796), (7, 2639312), (8, 2309398), (13, 1421168), (14, 1319656), (16, 1154699), (26, 710584), (28, 659828), (52, 355292), (56, 329914), (91, 203024), (104, 177646), (112, 164957), (182, 101512), (208, 88823), (364, 50756), (728, 25378), (1456, 12689)]