19247205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 13598619

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1187, 3243, 3561, 5405, 5935, 16215, 17805, 27301, 55789, 81903, 136505, 167367, 278945, 409515, 836835, 1283147, 3849441, 6415735, 19247205]

約数ペア:

[(1, 19247205), (3, 6415735), (5, 3849441), (15, 1283147), (23, 836835), (47, 409515), (69, 278945), (115, 167367), (141, 136505), (235, 81903), (345, 55789), (705, 27301), (1081, 17805), (1187, 16215), (3243, 5935), (3561, 5405)]