19390028

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2447}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 38932992

約数和(自身を除く): 19542964

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 2447, 3962, 4894, 7924, 9788, 17129, 34258, 68516, 692501, 1385002, 2770004, 4847507, 9695014, 19390028]

約数ペア:

[(1, 19390028), (2, 9695014), (4, 4847507), (7, 2770004), (14, 1385002), (28, 692501), (283, 68516), (566, 34258), (1132, 17129), (1981, 9788), (2447, 7924), (3962, 4894)]