18550995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3163}}^1$

素因数の和:3211

約数の個数: 32

約数和(自身を含む): 32804352

約数和(自身を除く): 14253357

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3163, 5865, 9489, 15815, 47445, 53771, 72749, 161313, 218247, 268855, 363745, 806565, 1091235, 1236733, 3710199, 6183665, 18550995]

約数ペア:

[(1, 18550995), (3, 6183665), (5, 3710199), (15, 1236733), (17, 1091235), (23, 806565), (51, 363745), (69, 268855), (85, 218247), (115, 161313), (255, 72749), (345, 53771), (391, 47445), (1173, 15815), (1955, 9489), (3163, 5865)]