18794900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6481}}^1$

素因数の和:6524

約数の個数: 36

約数和(自身を含む): 42197820

約数和(自身を除く): 23402920

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6481, 12962, 25924, 32405, 64810, 129620, 162025, 187949, 324050, 375898, 648100, 751796, 939745, 1879490, 3758980, 4698725, 9397450, 18794900]

約数ペア:

[(1, 18794900), (2, 9397450), (4, 4698725), (5, 3758980), (10, 1879490), (20, 939745), (25, 751796), (29, 648100), (50, 375898), (58, 324050), (100, 187949), (116, 162025), (145, 129620), (290, 64810), (580, 32405), (725, 25924), (1450, 12962), (2900, 6481)]