2018724730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20551}}^1$

素因数の和:20635

約数の個数: 64

約数和(自身を含む): 4261662720

約数和(自身を除く): 2242937990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 47, 55, 94, 95, 110, 190, 209, 235, 418, 470, 517, 893, 1034, 1045, 1786, 2090, 2585, 4465, 5170, 8930, 9823, 19646, 20551, 41102, 49115, 98230, 102755, 205510, 226061, 390469, 452122, 780938, 965897, 1130305, 1931794, 1952345, 2260610, 3904690, 4295159, 4829485, 8590318, 9658970, 10624867, 18352043, 21249734, 21475795, 36704086, 42951590, 53124335, 91760215, 106248670, 183520430, 201872473, 403744946, 1009362365, 2018724730]

約数ペア:

[(1, 2018724730), (2, 1009362365), (5, 403744946), (10, 201872473), (11, 183520430), (19, 106248670), (22, 91760215), (38, 53124335), (47, 42951590), (55, 36704086), (94, 21475795), (95, 21249734), (110, 18352043), (190, 10624867), (209, 9658970), (235, 8590318), (418, 4829485), (470, 4295159), (517, 3904690), (893, 2260610), (1034, 1952345), (1045, 1931794), (1786, 1130305), (2090, 965897), (2585, 780938), (4465, 452122), (5170, 390469), (8930, 226061), (9823, 205510), (19646, 102755), (20551, 98230), (41102, 49115)]