2019255590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{4219}}^1$

素因数の和:4485

約数の個数: 64

約数和(自身を含む): 4192992000

約数和(自身を除く): 2173736410

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 229, 418, 458, 1045, 1145, 2090, 2290, 2519, 4219, 4351, 5038, 8438, 8702, 12595, 21095, 21755, 25190, 42190, 43510, 46409, 47861, 80161, 92818, 95722, 160322, 232045, 239305, 400805, 464090, 478610, 801610, 881771, 966151, 1763542, 1932302, 4408855, 4830755, 8817710, 9661510, 10627661, 18356869, 21255322, 36713738, 53138305, 91784345, 106276610, 183568690, 201925559, 403851118, 1009627795, 2019255590]

約数ペア:

[(1, 2019255590), (2, 1009627795), (5, 403851118), (10, 201925559), (11, 183568690), (19, 106276610), (22, 91784345), (38, 53138305), (55, 36713738), (95, 21255322), (110, 18356869), (190, 10627661), (209, 9661510), (229, 8817710), (418, 4830755), (458, 4408855), (1045, 1932302), (1145, 1763542), (2090, 966151), (2290, 881771), (2519, 801610), (4219, 478610), (4351, 464090), (5038, 400805), (8438, 239305), (8702, 232045), (12595, 160322), (21095, 95722), (21755, 92818), (25190, 80161), (42190, 47861), (43510, 46409)]