18123040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8713}}^1$

素因数の和:8741

約数の個数: 48

約数和(自身を含む): 46114488

約数和(自身を除く): 27991448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8713, 17426, 34852, 43565, 69704, 87130, 113269, 139408, 174260, 226538, 278816, 348520, 453076, 566345, 697040, 906152, 1132690, 1394080, 1812304, 2265380, 3624608, 4530760, 9061520, 18123040]

約数ペア:

[(1, 18123040), (2, 9061520), (4, 4530760), (5, 3624608), (8, 2265380), (10, 1812304), (13, 1394080), (16, 1132690), (20, 906152), (26, 697040), (32, 566345), (40, 453076), (52, 348520), (65, 278816), (80, 226538), (104, 174260), (130, 139408), (160, 113269), (208, 87130), (260, 69704), (416, 43565), (520, 34852), (1040, 17426), (2080, 8713)]