18248955

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 12087813

約数列:

[1, 3, 5, 15, 37, 111, 131, 185, 251, 393, 555, 655, 753, 1255, 1965, 3765, 4847, 9287, 14541, 24235, 27861, 32881, 46435, 72705, 98643, 139305, 164405, 493215, 1216597, 3649791, 6082985, 18248955]

約数ペア:

[(1, 18248955), (3, 6082985), (5, 3649791), (15, 1216597), (37, 493215), (111, 164405), (131, 139305), (185, 98643), (251, 72705), (393, 46435), (555, 32881), (655, 27861), (753, 24235), (1255, 14541), (1965, 9287), (3765, 4847)]