18037580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 41658624

約数和(自身を除く): 23621044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 503, 652, 815, 1006, 1630, 1793, 2012, 2515, 3260, 3586, 5030, 5533, 7172, 8965, 10060, 11066, 17930, 22132, 27665, 35860, 55330, 81989, 110660, 163978, 327956, 409945, 819890, 901879, 1639780, 1803758, 3607516, 4509395, 9018790, 18037580]

約数ペア:

[(1, 18037580), (2, 9018790), (4, 4509395), (5, 3607516), (10, 1803758), (11, 1639780), (20, 901879), (22, 819890), (44, 409945), (55, 327956), (110, 163978), (163, 110660), (220, 81989), (326, 55330), (503, 35860), (652, 27665), (815, 22132), (1006, 17930), (1630, 11066), (1793, 10060), (2012, 8965), (2515, 7172), (3260, 5533), (3586, 5030)]