18500580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14683}}^1$

素因数の和:14705

約数の個数: 72

約数和(自身を含む): 64139712

約数和(自身を除く): 45639132

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, 14683, 29366, 44049, 58732, 73415, 88098, 102781, 132147, 146830, 176196, 205562, 220245, 264294, 293660, 308343, 411124, 440490, 513905, 528588, 616686, 660735, 880980, 925029, 1027810, 1233372, 1321470, 1541715, 1850058, 2055620, 2642940, 3083430, 3700116, 4625145, 6166860, 9250290, 18500580]

約数ペア:

[(1, 18500580), (2, 9250290), (3, 6166860), (4, 4625145), (5, 3700116), (6, 3083430), (7, 2642940), (9, 2055620), (10, 1850058), (12, 1541715), (14, 1321470), (15, 1233372), (18, 1027810), (20, 925029), (21, 880980), (28, 660735), (30, 616686), (35, 528588), (36, 513905), (42, 440490), (45, 411124), (60, 308343), (63, 293660), (70, 264294), (84, 220245), (90, 205562), (105, 176196), (126, 146830), (140, 132147), (180, 102781), (210, 88098), (252, 73415), (315, 58732), (420, 44049), (630, 29366), (1260, 14683)]