18996660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 59781120

約数和(自身を除く): 40784460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 127, 135, 180, 254, 270, 277, 381, 508, 540, 554, 635, 762, 831, 1108, 1143, 1270, 1385, 1524, 1662, 1905, 2286, 2493, 2540, 2770, 3324, 3429, 3810, 4155, 4572, 4986, 5540, 5715, 6858, 7479, 7620, 8310, 9972, 11430, 12465, 13716, 14958, 16620, 17145, 22860, 24930, 29916, 34290, 35179, 37395, 49860, 68580, 70358, 74790, 105537, 140716, 149580, 175895, 211074, 316611, 351790, 422148, 527685, 633222, 703580, 949833, 1055370, 1266444, 1583055, 1899666, 2110740, 3166110, 3799332, 4749165, 6332220, 9498330, 18996660]

約数ペア:

[(1, 18996660), (2, 9498330), (3, 6332220), (4, 4749165), (5, 3799332), (6, 3166110), (9, 2110740), (10, 1899666), (12, 1583055), (15, 1266444), (18, 1055370), (20, 949833), (27, 703580), (30, 633222), (36, 527685), (45, 422148), (54, 351790), (60, 316611), (90, 211074), (108, 175895), (127, 149580), (135, 140716), (180, 105537), (254, 74790), (270, 70358), (277, 68580), (381, 49860), (508, 37395), (540, 35179), (554, 34290), (635, 29916), (762, 24930), (831, 22860), (1108, 17145), (1143, 16620), (1270, 14958), (1385, 13716), (1524, 12465), (1662, 11430), (1905, 9972), (2286, 8310), (2493, 7620), (2540, 7479), (2770, 6858), (3324, 5715), (3429, 5540), (3810, 4986), (4155, 4572)]