18836517

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 30504960

約数和(自身を除く): 11668443

約数列:

[1, 3, 7, 21, 23, 59, 69, 161, 177, 413, 483, 661, 1239, 1357, 1983, 4071, 4627, 9499, 13881, 15203, 28497, 38999, 45609, 106421, 116997, 272993, 319263, 818979, 896977, 2690931, 6278839, 18836517]

約数ペア:

[(1, 18836517), (3, 6278839), (7, 2690931), (21, 896977), (23, 818979), (59, 319263), (69, 272993), (161, 116997), (177, 106421), (413, 45609), (483, 38999), (661, 28497), (1239, 15203), (1357, 13881), (1983, 9499), (4071, 4627)]