19388621373

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^2\times {\mathrm{2003}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 29185422336

約数和(自身を除く): 9796800963

約数列:

[1, 3, 11, 33, 47, 79, 141, 237, 517, 869, 1551, 2003, 2607, 3713, 6009, 6241, 11139, 18723, 22033, 40843, 66099, 68651, 94141, 122529, 158237, 205953, 282423, 293327, 474711, 879981, 1035551, 1740607, 3106653, 3226597, 5221821, 7437139, 9679791, 12500723, 22311417, 37502169, 81808529, 137507953, 245425587, 412523859, 587533981, 1762601943, 6462873791, 19388621373]

約数ペア:

[(1, 19388621373), (3, 6462873791), (11, 1762601943), (33, 587533981), (47, 412523859), (79, 245425587), (141, 137507953), (237, 81808529), (517, 37502169), (869, 22311417), (1551, 12500723), (2003, 9679791), (2607, 7437139), (3713, 5221821), (6009, 3226597), (6241, 3106653), (11139, 1740607), (18723, 1035551), (22033, 879981), (40843, 474711), (66099, 293327), (68651, 282423), (94141, 205953), (122529, 158237)]