17944660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 39416832

約数和(自身を除く): 21472172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 281, 310, 412, 515, 562, 620, 1030, 1124, 1405, 2060, 2810, 3193, 5620, 6386, 8711, 12772, 15965, 17422, 28943, 31930, 34844, 43555, 57886, 63860, 87110, 115772, 144715, 174220, 289430, 578860, 897233, 1794466, 3588932, 4486165, 8972330, 17944660]

約数ペア:

[(1, 17944660), (2, 8972330), (4, 4486165), (5, 3588932), (10, 1794466), (20, 897233), (31, 578860), (62, 289430), (103, 174220), (124, 144715), (155, 115772), (206, 87110), (281, 63860), (310, 57886), (412, 43555), (515, 34844), (562, 31930), (620, 28943), (1030, 17422), (1124, 15965), (1405, 12772), (2060, 8711), (2810, 6386), (3193, 5620)]