2019381845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 2801568960

約数和(自身を除く): 782187115

約数列:

[1, 5, 13, 19, 65, 73, 95, 169, 247, 365, 845, 949, 1235, 1387, 1723, 3211, 4745, 6935, 8615, 12337, 16055, 18031, 22399, 32737, 61685, 90155, 111995, 125779, 163685, 234403, 291187, 425581, 628895, 1172015, 1455935, 1635127, 2127905, 2389801, 5532553, 8175635, 11949005, 21256651, 27662765, 31067413, 106283255, 155337065, 403876369, 2019381845]

約数ペア:

[(1, 2019381845), (5, 403876369), (13, 155337065), (19, 106283255), (65, 31067413), (73, 27662765), (95, 21256651), (169, 11949005), (247, 8175635), (365, 5532553), (845, 2389801), (949, 2127905), (1235, 1635127), (1387, 1455935), (1723, 1172015), (3211, 628895), (4745, 425581), (6935, 291187), (8615, 234403), (12337, 163685), (16055, 125779), (18031, 111995), (22399, 90155), (32737, 61685)]