19791816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 54907200

約数和(自身を除く): 35115384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 88, 122, 132, 183, 244, 264, 366, 488, 671, 732, 1229, 1342, 1464, 2013, 2458, 2684, 3687, 4026, 4916, 5368, 7374, 8052, 9832, 13519, 14748, 16104, 27038, 29496, 40557, 54076, 74969, 81114, 108152, 149938, 162228, 224907, 299876, 324456, 449814, 599752, 824659, 899628, 1649318, 1799256, 2473977, 3298636, 4947954, 6597272, 9895908, 19791816]

約数ペア:

[(1, 19791816), (2, 9895908), (3, 6597272), (4, 4947954), (6, 3298636), (8, 2473977), (11, 1799256), (12, 1649318), (22, 899628), (24, 824659), (33, 599752), (44, 449814), (61, 324456), (66, 299876), (88, 224907), (122, 162228), (132, 149938), (183, 108152), (244, 81114), (264, 74969), (366, 54076), (488, 40557), (671, 29496), (732, 27038), (1229, 16104), (1342, 14748), (1464, 13519), (2013, 9832), (2458, 8052), (2684, 7374), (3687, 5368), (4026, 4916)]