20189319

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5011}}^1$

素因数の和:5110

約数の個数: 16

約数和(自身を含む): 28869120

約数和(自身を除く): 8679801

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5011, 15033, 85187, 255561, 395869, 1187607, 6729773, 20189319]

約数ペア:

[(1, 20189319), (3, 6729773), (17, 1187607), (51, 395869), (79, 255561), (237, 85187), (1343, 15033), (4029, 5011)]