19208931

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 30027600

約数和(自身を除く): 10818669

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 877, 1043, 2631, 3129, 6139, 7301, 18417, 21903, 42973, 128919, 130673, 392019, 914711, 2744133, 6402977, 19208931]

約数ペア:

[(1, 19208931), (3, 6402977), (7, 2744133), (21, 914711), (49, 392019), (147, 130673), (149, 128919), (447, 42973), (877, 21903), (1043, 18417), (2631, 7301), (3129, 6139)]