19802505

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{45523}}^1$

素因数の和:45560

約数の個数: 16

約数和(自身を含む): 32777280

約数和(自身を除く): 12974775

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 45523, 136569, 227615, 682845, 1320167, 3960501, 6600835, 19802505]

約数ペア:

[(1, 19802505), (3, 6600835), (5, 3960501), (15, 1320167), (29, 682845), (87, 227615), (145, 136569), (435, 45523)]