19868556

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 48343904

約数和(自身を除く): 28475348

約数列:

[1, 2, 3, 4, 6, 12, 37, 73, 74, 111, 146, 148, 219, 222, 292, 438, 444, 613, 876, 1226, 1839, 2452, 2701, 3678, 5402, 7356, 8103, 10804, 16206, 22681, 32412, 44749, 45362, 68043, 89498, 90724, 134247, 136086, 178996, 268494, 272172, 536988, 1655713, 3311426, 4967139, 6622852, 9934278, 19868556]

約数ペア:

[(1, 19868556), (2, 9934278), (3, 6622852), (4, 4967139), (6, 3311426), (12, 1655713), (37, 536988), (73, 272172), (74, 268494), (111, 178996), (146, 136086), (148, 134247), (219, 90724), (222, 89498), (292, 68043), (438, 45362), (444, 44749), (613, 32412), (876, 22681), (1226, 16206), (1839, 10804), (2452, 8103), (2701, 7356), (3678, 5402)]