18191706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{67}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 40452384

約数和(自身を除く): 22260678

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 67, 78, 118, 134, 177, 201, 354, 402, 767, 871, 1534, 1742, 2301, 2613, 3481, 3953, 4602, 5226, 6962, 7906, 10443, 11859, 20886, 23718, 45253, 51389, 90506, 102778, 135759, 154167, 233227, 271518, 308334, 466454, 699681, 1399362, 3031951, 6063902, 9095853, 18191706]

約数ペア:

[(1, 18191706), (2, 9095853), (3, 6063902), (6, 3031951), (13, 1399362), (26, 699681), (39, 466454), (59, 308334), (67, 271518), (78, 233227), (118, 154167), (134, 135759), (177, 102778), (201, 90506), (354, 51389), (402, 45253), (767, 23718), (871, 20886), (1534, 11859), (1742, 10443), (2301, 7906), (2613, 6962), (3481, 5226), (3953, 4602)]