18945180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105251}}^1$

素因数の和:105266

約数の個数: 36

約数和(自身を含む): 57467592

約数和(自身を除く): 38522412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105251, 210502, 315753, 421004, 526255, 631506, 947259, 1052510, 1263012, 1578765, 1894518, 2105020, 3157530, 3789036, 4736295, 6315060, 9472590, 18945180]

約数ペア:

[(1, 18945180), (2, 9472590), (3, 6315060), (4, 4736295), (5, 3789036), (6, 3157530), (9, 2105020), (10, 1894518), (12, 1578765), (15, 1263012), (18, 1052510), (20, 947259), (30, 631506), (36, 526255), (45, 421004), (60, 315753), (90, 210502), (180, 105251)]