18806707.000000000

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{90481}}^1$

素因数の和:90515

約数の個数: 32

約数和(自身を含む): 260588160

約数和(自身を除く): 148210758

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 90481, 180962, 271443, 542886, 814329, 1628658, 2081063, 2442987, 4162126, 4885974, 6243189, 12486378, 18729567, 37459134, 56188701, 112377402]

約数ペア:

[(1, 112377402), (2, 56188701), (3, 37459134), (6, 18729567), (9, 12486378), (18, 6243189), (23, 4885974), (27, 4162126), (46, 2442987), (54, 2081063), (69, 1628658), (138, 814329), (207, 542886), (414, 271443), (621, 180962), (1242, 90481)]