17919220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1733}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 41948928

約数和(自身を除く): 24029708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1733, 2068, 2585, 3466, 5170, 6932, 8665, 10340, 17330, 19063, 34660, 38126, 76252, 81451, 95315, 162902, 190630, 325804, 381260, 407255, 814510, 895961, 1629020, 1791922, 3583844, 4479805, 8959610, 17919220]

約数ペア:

[(1, 17919220), (2, 8959610), (4, 4479805), (5, 3583844), (10, 1791922), (11, 1629020), (20, 895961), (22, 814510), (44, 407255), (47, 381260), (55, 325804), (94, 190630), (110, 162902), (188, 95315), (220, 81451), (235, 76252), (470, 38126), (517, 34660), (940, 19063), (1034, 17330), (1733, 10340), (2068, 8665), (2585, 6932), (3466, 5170)]