19955835

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6427}}^1$

素因数の和:6464

約数の個数: 32

約数和(自身を含む): 37025280

約数和(自身を除く): 17069445

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6427, 19281, 32135, 57843, 96405, 147821, 173529, 289215, 443463, 739105, 867645, 1330389, 2217315, 3991167, 6651945, 19955835]

約数ペア:

[(1, 19955835), (3, 6651945), (5, 3991167), (9, 2217315), (15, 1330389), (23, 867645), (27, 739105), (45, 443463), (69, 289215), (115, 173529), (135, 147821), (207, 96405), (345, 57843), (621, 32135), (1035, 19281), (3105, 6427)]