18820968

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 49835520

約数和(自身を除く): 31014552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 617, 744, 984, 1234, 1271, 1851, 2468, 2542, 3702, 3813, 4936, 5084, 7404, 7626, 10168, 14808, 15252, 19127, 25297, 30504, 38254, 50594, 57381, 75891, 76508, 101188, 114762, 151782, 153016, 202376, 229524, 303564, 459048, 607128, 784207, 1568414, 2352621, 3136828, 4705242, 6273656, 9410484, 18820968]

約数ペア:

[(1, 18820968), (2, 9410484), (3, 6273656), (4, 4705242), (6, 3136828), (8, 2352621), (12, 1568414), (24, 784207), (31, 607128), (41, 459048), (62, 303564), (82, 229524), (93, 202376), (123, 153016), (124, 151782), (164, 114762), (186, 101188), (246, 76508), (248, 75891), (328, 57381), (372, 50594), (492, 38254), (617, 30504), (744, 25297), (984, 19127), (1234, 15252), (1271, 14808), (1851, 10168), (2468, 7626), (2542, 7404), (3702, 5084), (3813, 4936)]