19490220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 62569584

約数和(自身を除く): 43079364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 227, 265, 270, 318, 324, 405, 454, 477, 530, 540, 636, 681, 795, 810, 908, 954, 1060, 1135, 1362, 1431, 1590, 1620, 1908, 2043, 2270, 2385, 2724, 2862, 3180, 3405, 4086, 4293, 4540, 4770, 5724, 6129, 6810, 7155, 8172, 8586, 9540, 10215, 12031, 12258, 13620, 14310, 17172, 18387, 20430, 21465, 24062, 24516, 28620, 30645, 36093, 36774, 40860, 42930, 48124, 60155, 61290, 72186, 73548, 85860, 91935, 108279, 120310, 122580, 144372, 180465, 183870, 216558, 240620, 324837, 360930, 367740, 433116, 541395, 649674, 721860, 974511, 1082790, 1299348, 1624185, 1949022, 2165580, 3248370, 3898044, 4872555, 6496740, 9745110, 19490220]

約数ペア:

[(1, 19490220), (2, 9745110), (3, 6496740), (4, 4872555), (5, 3898044), (6, 3248370), (9, 2165580), (10, 1949022), (12, 1624185), (15, 1299348), (18, 1082790), (20, 974511), (27, 721860), (30, 649674), (36, 541395), (45, 433116), (53, 367740), (54, 360930), (60, 324837), (81, 240620), (90, 216558), (106, 183870), (108, 180465), (135, 144372), (159, 122580), (162, 120310), (180, 108279), (212, 91935), (227, 85860), (265, 73548), (270, 72186), (318, 61290), (324, 60155), (405, 48124), (454, 42930), (477, 40860), (530, 36774), (540, 36093), (636, 30645), (681, 28620), (795, 24516), (810, 24062), (908, 21465), (954, 20430), (1060, 18387), (1135, 17172), (1362, 14310), (1431, 13620), (1590, 12258), (1620, 12031), (1908, 10215), (2043, 9540), (2270, 8586), (2385, 8172), (2724, 7155), (2862, 6810), (3180, 6129), (3405, 5724), (4086, 4770), (4293, 4540)]