18693296

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 38330880

約数和(自身を除く): 19637584

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 643, 1264, 1286, 1817, 2572, 3634, 5144, 7268, 10288, 14536, 14789, 29072, 29578, 50797, 59156, 101594, 118312, 203188, 236624, 406376, 812752, 1168331, 2336662, 4673324, 9346648, 18693296]

約数ペア:

[(1, 18693296), (2, 9346648), (4, 4673324), (8, 2336662), (16, 1168331), (23, 812752), (46, 406376), (79, 236624), (92, 203188), (158, 118312), (184, 101594), (316, 59156), (368, 50797), (632, 29578), (643, 29072), (1264, 14789), (1286, 14536), (1817, 10288), (2572, 7268), (3634, 5144)]