19860156

素因数分解:

$2^2\times 3^2\times {\mathrm{551671}}^1$

素因数の和:551681

約数の個数: 18

約数和(自身を含む): 50202152

約数和(自身を除く): 30341996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 551671, 1103342, 1655013, 2206684, 3310026, 4965039, 6620052, 9930078, 19860156]

約数ペア:

[(1, 19860156), (2, 9930078), (3, 6620052), (4, 4965039), (6, 3310026), (9, 2206684), (12, 1655013), (18, 1103342), (36, 551671)]