18451528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 36862560

約数和(自身を除く): 18411032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 643, 844, 1286, 1688, 2572, 3587, 5144, 7174, 10931, 14348, 21862, 28696, 43724, 87448, 135673, 271346, 542692, 1085384, 2306441, 4612882, 9225764, 18451528]

約数ペア:

[(1, 18451528), (2, 9225764), (4, 4612882), (8, 2306441), (17, 1085384), (34, 542692), (68, 271346), (136, 135673), (211, 87448), (422, 43724), (643, 28696), (844, 21862), (1286, 14348), (1688, 10931), (2572, 7174), (3587, 5144)]