18904372

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 33920712

約数和(自身を除く): 15016340

約数列:

[1, 2, 4, 73, 101, 146, 202, 292, 404, 641, 1282, 2564, 7373, 14746, 29492, 46793, 64741, 93586, 129482, 187172, 258964, 4726093, 9452186, 18904372]

約数ペア:

[(1, 18904372), (2, 9452186), (4, 4726093), (73, 258964), (101, 187172), (146, 129482), (202, 93586), (292, 64741), (404, 46793), (641, 29492), (1282, 14746), (2564, 7373)]