18538874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 31124736

約数和(自身を除く): 12585862

約数列:

[1, 2, 17, 23, 34, 46, 151, 157, 302, 314, 391, 782, 2567, 2669, 3473, 3611, 5134, 5338, 6946, 7222, 23707, 47414, 59041, 61387, 118082, 122774, 403019, 545261, 806038, 1090522, 9269437, 18538874]

約数ペア:

[(1, 18538874), (2, 9269437), (17, 1090522), (23, 806038), (34, 545261), (46, 403019), (151, 122774), (157, 118082), (302, 61387), (314, 59041), (391, 47414), (782, 23707), (2567, 7222), (2669, 6946), (3473, 5338), (3611, 5134)]