18910440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52529}}^1$

素因数の和:52546

約数の個数: 48

約数和(自身を含む): 61460100

約数和(自身を除く): 42549660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52529, 105058, 157587, 210116, 262645, 315174, 420232, 472761, 525290, 630348, 787935, 945522, 1050580, 1260696, 1575870, 1891044, 2101160, 2363805, 3151740, 3782088, 4727610, 6303480, 9455220, 18910440]

約数ペア:

[(1, 18910440), (2, 9455220), (3, 6303480), (4, 4727610), (5, 3782088), (6, 3151740), (8, 2363805), (9, 2101160), (10, 1891044), (12, 1575870), (15, 1260696), (18, 1050580), (20, 945522), (24, 787935), (30, 630348), (36, 525290), (40, 472761), (45, 420232), (60, 315174), (72, 262645), (90, 210116), (120, 157587), (180, 105058), (360, 52529)]