18869775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{10939}}^1$

素因数の和:10975

約数の個数: 24

約数和(自身を含む): 32557440

約数和(自身を除く): 13687665

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 10939, 32817, 54695, 164085, 251597, 273475, 754791, 820425, 1257985, 3773955, 6289925, 18869775]

約数ペア:

[(1, 18869775), (3, 6289925), (5, 3773955), (15, 1257985), (23, 820425), (25, 754791), (69, 273475), (75, 251597), (115, 164085), (345, 54695), (575, 32817), (1725, 10939)]