18903996

素因数分解:

$2^2\times 3^3\times {\mathrm{113}}^1\times {\mathrm{1549}}^1$

素因数の和:1675

約数の個数: 48

約数和(自身を含む): 49476000

約数和(自身を除く): 30572004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 113, 226, 339, 452, 678, 1017, 1356, 1549, 2034, 3051, 3098, 4068, 4647, 6102, 6196, 9294, 12204, 13941, 18588, 27882, 41823, 55764, 83646, 167292, 175037, 350074, 525111, 700148, 1050222, 1575333, 2100444, 3150666, 4725999, 6301332, 9451998, 18903996]

約数ペア:

[(1, 18903996), (2, 9451998), (3, 6301332), (4, 4725999), (6, 3150666), (9, 2100444), (12, 1575333), (18, 1050222), (27, 700148), (36, 525111), (54, 350074), (108, 175037), (113, 167292), (226, 83646), (339, 55764), (452, 41823), (678, 27882), (1017, 18588), (1356, 13941), (1549, 12204), (2034, 9294), (3051, 6196), (3098, 6102), (4068, 4647)]