18052020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14327}}^1$

素因数の和:14349

約数の個数: 72

約数和(自身を含む): 62584704

約数和(自身を除く): 44532684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14327, 28654, 42981, 57308, 71635, 85962, 100289, 128943, 143270, 171924, 200578, 214905, 257886, 286540, 300867, 401156, 429810, 501445, 515772, 601734, 644715, 859620, 902601, 1002890, 1203468, 1289430, 1504335, 1805202, 2005780, 2578860, 3008670, 3610404, 4513005, 6017340, 9026010, 18052020]

約数ペア:

[(1, 18052020), (2, 9026010), (3, 6017340), (4, 4513005), (5, 3610404), (6, 3008670), (7, 2578860), (9, 2005780), (10, 1805202), (12, 1504335), (14, 1289430), (15, 1203468), (18, 1002890), (20, 902601), (21, 859620), (28, 644715), (30, 601734), (35, 515772), (36, 501445), (42, 429810), (45, 401156), (60, 300867), (63, 286540), (70, 257886), (84, 214905), (90, 200578), (105, 171924), (126, 143270), (140, 128943), (180, 100289), (210, 85962), (252, 71635), (315, 57308), (420, 42981), (630, 28654), (1260, 14327)]