19397358

素因数分解:

$2^1\times 3^2\times {\mathrm{977}}^1\times {\mathrm{1103}}^1$

素因数の和:2088

約数の個数: 24

約数和(自身を含む): 42108768

約数和(自身を除く): 22711410

約数列:

[1, 2, 3, 6, 9, 18, 977, 1103, 1954, 2206, 2931, 3309, 5862, 6618, 8793, 9927, 17586, 19854, 1077631, 2155262, 3232893, 6465786, 9698679, 19397358]

約数ペア:

[(1, 19397358), (2, 9698679), (3, 6465786), (6, 3232893), (9, 2155262), (18, 1077631), (977, 19854), (1103, 17586), (1954, 9927), (2206, 8793), (2931, 6618), (3309, 5862)]