19699576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 39972240

約数和(自身を除く): 20272664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 617, 1228, 1234, 2456, 2468, 3991, 4936, 7982, 8021, 15964, 16042, 31928, 32084, 64168, 189419, 378838, 757676, 1515352, 2462447, 4924894, 9849788, 19699576]

約数ペア:

[(1, 19699576), (2, 9849788), (4, 4924894), (8, 2462447), (13, 1515352), (26, 757676), (52, 378838), (104, 189419), (307, 64168), (614, 32084), (617, 31928), (1228, 16042), (1234, 15964), (2456, 8021), (2468, 7982), (3991, 4936)]