19993359355

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{2971}}^1$

素因数の和:3331

約数の個数: 32

約数和(自身を含む): 24702312960

約数和(自身を除く): 4708953605

約数列:

[1, 5, 73, 103, 179, 365, 515, 895, 2971, 7519, 13067, 14855, 18437, 37595, 65335, 92185, 216883, 306013, 531809, 1084415, 1345901, 1530065, 2659045, 6729505, 22338949, 38822057, 54776327, 111694745, 194110285, 273881635, 3998671871, 19993359355]

約数ペア:

[(1, 19993359355), (5, 3998671871), (73, 273881635), (103, 194110285), (179, 111694745), (365, 54776327), (515, 38822057), (895, 22338949), (2971, 6729505), (7519, 2659045), (13067, 1530065), (14855, 1345901), (18437, 1084415), (37595, 531809), (65335, 306013), (92185, 216883)]