19660455

素因数分解:

$3^3\times 5^1\times {\mathrm{145633}}^1$

素因数の和:145647

約数の個数: 16

約数和(自身を含む): 34952160

約数和(自身を除く): 15291705

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145633, 436899, 728165, 1310697, 2184495, 3932091, 6553485, 19660455]

約数ペア:

[(1, 19660455), (3, 6553485), (5, 3932091), (9, 2184495), (15, 1310697), (27, 728165), (45, 436899), (135, 145633)]