19780204

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{4159}}^1$

素因数の和:4233

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16910996

約数列:

[1, 2, 4, 29, 41, 58, 82, 116, 164, 1189, 2378, 4159, 4756, 8318, 16636, 120611, 170519, 241222, 341038, 482444, 682076, 4945051, 9890102, 19780204]

約数ペア:

[(1, 19780204), (2, 9890102), (4, 4945051), (29, 682076), (41, 482444), (58, 341038), (82, 241222), (116, 170519), (164, 120611), (1189, 16636), (2378, 8318), (4159, 4756)]