19362160

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1399}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 45309600

約数和(自身を除く): 25947440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1399, 1730, 2768, 2798, 3460, 5596, 6920, 6995, 11192, 13840, 13990, 22384, 27980, 55960, 111920, 242027, 484054, 968108, 1210135, 1936216, 2420270, 3872432, 4840540, 9681080, 19362160]

約数ペア:

[(1, 19362160), (2, 9681080), (4, 4840540), (5, 3872432), (8, 2420270), (10, 1936216), (16, 1210135), (20, 968108), (40, 484054), (80, 242027), (173, 111920), (346, 55960), (692, 27980), (865, 22384), (1384, 13990), (1399, 13840), (1730, 11192), (2768, 6995), (2798, 6920), (3460, 5596)]