19510865012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1831}}^1\times {\mathrm{71999}}^1$

素因数の和:73871

約数の個数: 24

約数和(自身を含む): 35086464000

約数和(自身を除く): 15575598988

約数列:

[1, 2, 4, 37, 74, 148, 1831, 3662, 7324, 67747, 71999, 135494, 143998, 270988, 287996, 2663963, 5327926, 10655852, 131830169, 263660338, 527320676, 4877716253, 9755432506, 19510865012]

約数ペア:

[(1, 19510865012), (2, 9755432506), (4, 4877716253), (37, 527320676), (74, 263660338), (148, 131830169), (1831, 10655852), (3662, 5327926), (7324, 2663963), (67747, 287996), (71999, 270988), (135494, 143998)]