18942220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2969}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 25964180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2969, 3190, 5938, 6380, 11876, 14845, 29690, 32659, 59380, 65318, 86101, 130636, 163295, 172202, 326590, 344404, 430505, 653180, 861010, 947111, 1722020, 1894222, 3788444, 4735555, 9471110, 18942220]

約数ペア:

[(1, 18942220), (2, 9471110), (4, 4735555), (5, 3788444), (10, 1894222), (11, 1722020), (20, 947111), (22, 861010), (29, 653180), (44, 430505), (55, 344404), (58, 326590), (110, 172202), (116, 163295), (145, 130636), (220, 86101), (290, 65318), (319, 59380), (580, 32659), (638, 29690), (1276, 14845), (1595, 11876), (2969, 6380), (3190, 5938)]