19613389640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1297}}^1\times {\mathrm{2237}}^1$

素因数の和:3571

約数の個数: 96

約数和(自身を含む): 47844098280

約数和(自身を除く): 28230708640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1297, 1352, 1690, 2237, 2594, 3380, 4474, 5188, 6485, 6760, 8948, 10376, 11185, 12970, 16861, 17896, 22370, 25940, 29081, 33722, 44740, 51880, 58162, 67444, 84305, 89480, 116324, 134888, 145405, 168610, 219193, 232648, 290810, 337220, 378053, 438386, 581620, 674440, 756106, 876772, 1095965, 1163240, 1512212, 1753544, 1890265, 2191930, 2901389, 3024424, 3780530, 4383860, 5802778, 7561060, 8767720, 11605556, 14506945, 15122120, 23211112, 29013890, 37718057, 58027780, 75436114, 116055560, 150872228, 188590285, 301744456, 377180570, 490334741, 754361140, 980669482, 1508722280, 1961338964, 2451673705, 3922677928, 4903347410, 9806694820, 19613389640]

約数ペア:

[(1, 19613389640), (2, 9806694820), (4, 4903347410), (5, 3922677928), (8, 2451673705), (10, 1961338964), (13, 1508722280), (20, 980669482), (26, 754361140), (40, 490334741), (52, 377180570), (65, 301744456), (104, 188590285), (130, 150872228), (169, 116055560), (260, 75436114), (338, 58027780), (520, 37718057), (676, 29013890), (845, 23211112), (1297, 15122120), (1352, 14506945), (1690, 11605556), (2237, 8767720), (2594, 7561060), (3380, 5802778), (4474, 4383860), (5188, 3780530), (6485, 3024424), (6760, 2901389), (8948, 2191930), (10376, 1890265), (11185, 1753544), (12970, 1512212), (16861, 1163240), (17896, 1095965), (22370, 876772), (25940, 756106), (29081, 674440), (33722, 581620), (44740, 438386), (51880, 378053), (58162, 337220), (67444, 290810), (84305, 232648), (89480, 219193), (116324, 168610), (134888, 145405)]