18948720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11279}}^1$

素因数の和:11302

約数の個数: 80

約数和(自身を含む): 67138560

約数和(自身を除く): 48189840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11279, 22558, 33837, 45116, 56395, 67674, 78953, 90232, 112790, 135348, 157906, 169185, 180464, 225580, 236859, 270696, 315812, 338370, 394765, 451160, 473718, 541392, 631624, 676740, 789530, 902320, 947436, 1184295, 1263248, 1353480, 1579060, 1894872, 2368590, 2706960, 3158120, 3789744, 4737180, 6316240, 9474360, 18948720]

約数ペア:

[(1, 18948720), (2, 9474360), (3, 6316240), (4, 4737180), (5, 3789744), (6, 3158120), (7, 2706960), (8, 2368590), (10, 1894872), (12, 1579060), (14, 1353480), (15, 1263248), (16, 1184295), (20, 947436), (21, 902320), (24, 789530), (28, 676740), (30, 631624), (35, 541392), (40, 473718), (42, 451160), (48, 394765), (56, 338370), (60, 315812), (70, 270696), (80, 236859), (84, 225580), (105, 180464), (112, 169185), (120, 157906), (140, 135348), (168, 112790), (210, 90232), (240, 78953), (280, 67674), (336, 56395), (420, 45116), (560, 33837), (840, 22558), (1680, 11279)]