19786518

素因数分解:

$2^1\times 3^6\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 56

約数和(自身を含む): 45722376

約数和(自身を除く): 25935858

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 331, 369, 486, 662, 729, 738, 993, 1107, 1458, 1986, 2214, 2979, 3321, 5958, 6642, 8937, 9963, 13571, 17874, 19926, 26811, 27142, 29889, 40713, 53622, 59778, 80433, 81426, 122139, 160866, 241299, 244278, 366417, 482598, 732834, 1099251, 2198502, 3297753, 6595506, 9893259, 19786518]

約数ペア:

[(1, 19786518), (2, 9893259), (3, 6595506), (6, 3297753), (9, 2198502), (18, 1099251), (27, 732834), (41, 482598), (54, 366417), (81, 244278), (82, 241299), (123, 160866), (162, 122139), (243, 81426), (246, 80433), (331, 59778), (369, 53622), (486, 40713), (662, 29889), (729, 27142), (738, 26811), (993, 19926), (1107, 17874), (1458, 13571), (1986, 9963), (2214, 8937), (2979, 6642), (3321, 5958)]