17983550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 36612240

約数和(自身を除く): 18628690

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 365, 379, 650, 730, 758, 949, 1825, 1895, 1898, 3650, 3790, 4745, 4927, 9475, 9490, 9854, 18950, 23725, 24635, 27667, 47450, 49270, 55334, 123175, 138335, 246350, 276670, 359671, 691675, 719342, 1383350, 1798355, 3596710, 8991775, 17983550]

約数ペア:

[(1, 17983550), (2, 8991775), (5, 3596710), (10, 1798355), (13, 1383350), (25, 719342), (26, 691675), (50, 359671), (65, 276670), (73, 246350), (130, 138335), (146, 123175), (325, 55334), (365, 49270), (379, 47450), (650, 27667), (730, 24635), (758, 23725), (949, 18950), (1825, 9854), (1895, 9490), (1898, 9475), (3650, 4927), (3790, 4745)]