19960428

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 48254976

約数和(自身を除く): 28294548

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 101, 129, 172, 202, 258, 303, 383, 404, 516, 606, 766, 1149, 1212, 1532, 2298, 4343, 4596, 8686, 13029, 16469, 17372, 26058, 32938, 38683, 49407, 52116, 65876, 77366, 98814, 116049, 154732, 197628, 232098, 464196, 1663369, 3326738, 4990107, 6653476, 9980214, 19960428]

約数ペア:

[(1, 19960428), (2, 9980214), (3, 6653476), (4, 4990107), (6, 3326738), (12, 1663369), (43, 464196), (86, 232098), (101, 197628), (129, 154732), (172, 116049), (202, 98814), (258, 77366), (303, 65876), (383, 52116), (404, 49407), (516, 38683), (606, 32938), (766, 26058), (1149, 17372), (1212, 16469), (1532, 13029), (2298, 8686), (4343, 4596)]