19649547

素因数分解:

$3^4\times {\mathrm{367}}^1\times {\mathrm{661}}^1$

素因数の和:1040

約数の個数: 20

約数和(自身を含む): 29477536

約数和(自身を除く): 9827989

約数列:

[1, 3, 9, 27, 81, 367, 661, 1101, 1983, 3303, 5949, 9909, 17847, 29727, 53541, 242587, 727761, 2183283, 6549849, 19649547]

約数ペア:

[(1, 19649547), (3, 6549849), (9, 2183283), (27, 727761), (81, 242587), (367, 53541), (661, 29727), (1101, 17847), (1983, 9909), (3303, 5949)]