19971940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58741}}^1$

素因数の和:58767

約数の個数: 24

約数和(自身を含む): 44408952

約数和(自身を除く): 24437012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58741, 117482, 234964, 293705, 587410, 998597, 1174820, 1997194, 3994388, 4992985, 9985970, 19971940]

約数ペア:

[(1, 19971940), (2, 9985970), (4, 4992985), (5, 3994388), (10, 1997194), (17, 1174820), (20, 998597), (34, 587410), (68, 293705), (85, 234964), (170, 117482), (340, 58741)]