18915830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3433}}^1$

素因数の和:3488

約数の個数: 32

約数和(自身を含む): 37087200

約数和(自身を除く): 18171370

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3433, 5510, 6866, 17165, 34330, 65227, 99557, 130454, 199114, 326135, 497785, 652270, 995570, 1891583, 3783166, 9457915, 18915830]

約数ペア:

[(1, 18915830), (2, 9457915), (5, 3783166), (10, 1891583), (19, 995570), (29, 652270), (38, 497785), (58, 326135), (95, 199114), (145, 130454), (190, 99557), (290, 65227), (551, 34330), (1102, 17165), (2755, 6866), (3433, 5510)]