18706653

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3413}}^1$

素因数の和:3458

約数の個数: 32

約数和(自身を含む): 32774400

約数和(自身を除く): 14067747

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3413, 5481, 10239, 23891, 30717, 71673, 92151, 98977, 215019, 296931, 645057, 692839, 890793, 2078517, 2672379, 6235551, 18706653]

約数ペア:

[(1, 18706653), (3, 6235551), (7, 2672379), (9, 2078517), (21, 890793), (27, 692839), (29, 645057), (63, 296931), (87, 215019), (189, 98977), (203, 92151), (261, 71673), (609, 30717), (783, 23891), (1827, 10239), (3413, 5481)]