19958688

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1926

約数の個数: 72

約数和(自身を含む): 58322628

約数和(自身を除く): 38363940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1873, 2664, 3552, 3746, 5328, 5619, 7492, 10656, 11238, 14984, 16857, 22476, 29968, 33714, 44952, 59936, 67428, 69301, 89904, 134856, 138602, 179808, 207903, 269712, 277204, 415806, 539424, 554408, 623709, 831612, 1108816, 1247418, 1663224, 2217632, 2494836, 3326448, 4989672, 6652896, 9979344, 19958688]

約数ペア:

[(1, 19958688), (2, 9979344), (3, 6652896), (4, 4989672), (6, 3326448), (8, 2494836), (9, 2217632), (12, 1663224), (16, 1247418), (18, 1108816), (24, 831612), (32, 623709), (36, 554408), (37, 539424), (48, 415806), (72, 277204), (74, 269712), (96, 207903), (111, 179808), (144, 138602), (148, 134856), (222, 89904), (288, 69301), (296, 67428), (333, 59936), (444, 44952), (592, 33714), (666, 29968), (888, 22476), (1184, 16857), (1332, 14984), (1776, 11238), (1873, 10656), (2664, 7492), (3552, 5619), (3746, 5328)]