19827540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1867}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 61195680

約数和(自身を除く): 41368140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 1867, 2124, 2655, 3540, 3734, 5310, 5601, 7468, 9335, 10620, 11202, 16803, 18670, 22404, 28005, 33606, 37340, 56010, 67212, 84015, 110153, 112020, 168030, 220306, 330459, 336060, 440612, 550765, 660918, 991377, 1101530, 1321836, 1652295, 1982754, 2203060, 3304590, 3965508, 4956885, 6609180, 9913770, 19827540]

約数ペア:

[(1, 19827540), (2, 9913770), (3, 6609180), (4, 4956885), (5, 3965508), (6, 3304590), (9, 2203060), (10, 1982754), (12, 1652295), (15, 1321836), (18, 1101530), (20, 991377), (30, 660918), (36, 550765), (45, 440612), (59, 336060), (60, 330459), (90, 220306), (118, 168030), (177, 112020), (180, 110153), (236, 84015), (295, 67212), (354, 56010), (531, 37340), (590, 33606), (708, 28005), (885, 22404), (1062, 18670), (1180, 16803), (1770, 11202), (1867, 10620), (2124, 9335), (2655, 7468), (3540, 5601), (3734, 5310)]