18994890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15443}}^1$

素因数の和:15494

約数の個数: 32

約数和(自身を含む): 46702656

約数和(自身を除く): 27707766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 15443, 30886, 46329, 77215, 92658, 154430, 231645, 463290, 633163, 1266326, 1899489, 3165815, 3798978, 6331630, 9497445, 18994890]

約数ペア:

[(1, 18994890), (2, 9497445), (3, 6331630), (5, 3798978), (6, 3165815), (10, 1899489), (15, 1266326), (30, 633163), (41, 463290), (82, 231645), (123, 154430), (205, 92658), (246, 77215), (410, 46329), (615, 30886), (1230, 15443)]