19687330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4093}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 39204144

約数和(自身を除く): 19516814

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4093, 4810, 8186, 20465, 40930, 53209, 106418, 151441, 266045, 302882, 532090, 757205, 1514410, 1968733, 3937466, 9843665, 19687330]

約数ペア:

[(1, 19687330), (2, 9843665), (5, 3937466), (10, 1968733), (13, 1514410), (26, 757205), (37, 532090), (65, 302882), (74, 266045), (130, 151441), (185, 106418), (370, 53209), (481, 40930), (962, 20465), (2405, 8186), (4093, 4810)]