18089045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 25025280

約数和(自身を除く): 6936235

約数列:

[1, 5, 13, 19, 65, 95, 97, 151, 247, 485, 755, 1235, 1261, 1843, 1963, 2869, 6305, 9215, 9815, 14345, 14647, 23959, 37297, 73235, 119795, 186485, 190411, 278293, 952055, 1391465, 3617809, 18089045]

約数ペア:

[(1, 18089045), (5, 3617809), (13, 1391465), (19, 952055), (65, 278293), (95, 190411), (97, 186485), (151, 119795), (247, 73235), (485, 37297), (755, 23959), (1235, 14647), (1261, 14345), (1843, 9815), (1963, 9215), (2869, 6305)]