18959670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 80

約数和(自身を含む): 51749280

約数和(自身を除く): 32789610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 89, 90, 135, 162, 178, 263, 267, 270, 405, 445, 526, 534, 789, 801, 810, 890, 1315, 1335, 1578, 1602, 2367, 2403, 2630, 2670, 3945, 4005, 4734, 4806, 7101, 7209, 7890, 8010, 11835, 12015, 14202, 14418, 21303, 23407, 23670, 24030, 35505, 36045, 42606, 46814, 70221, 71010, 72090, 106515, 117035, 140442, 210663, 213030, 234070, 351105, 421326, 631989, 702210, 1053315, 1263978, 1895967, 2106630, 3159945, 3791934, 6319890, 9479835, 18959670]

約数ペア:

[(1, 18959670), (2, 9479835), (3, 6319890), (5, 3791934), (6, 3159945), (9, 2106630), (10, 1895967), (15, 1263978), (18, 1053315), (27, 702210), (30, 631989), (45, 421326), (54, 351105), (81, 234070), (89, 213030), (90, 210663), (135, 140442), (162, 117035), (178, 106515), (263, 72090), (267, 71010), (270, 70221), (405, 46814), (445, 42606), (526, 36045), (534, 35505), (789, 24030), (801, 23670), (810, 23407), (890, 21303), (1315, 14418), (1335, 14202), (1578, 12015), (1602, 11835), (2367, 8010), (2403, 7890), (2630, 7209), (2670, 7101), (3945, 4806), (4005, 4734)]