2018398928

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1386263}}^1$

素因数の和:1386291

約数の個数: 40

約数和(自身を含む): 4813108608

約数和(自身を除く): 2794709680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1386263, 2772526, 5545052, 9703841, 11090104, 18021419, 19407682, 22180208, 36042838, 38815364, 72085676, 77630728, 126149933, 144171352, 155261456, 252299866, 288342704, 504599732, 1009199464, 2018398928]

約数ペア:

[(1, 2018398928), (2, 1009199464), (4, 504599732), (7, 288342704), (8, 252299866), (13, 155261456), (14, 144171352), (16, 126149933), (26, 77630728), (28, 72085676), (52, 38815364), (56, 36042838), (91, 22180208), (104, 19407682), (112, 18021419), (182, 11090104), (208, 9703841), (364, 5545052), (728, 2772526), (1456, 1386263)]