19965638

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18521}}^1$

素因数の和:18548

約数の個数: 24

約数和(自身を含む): 38007144

約数和(自身を除く): 18041506

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18521, 37042, 129647, 203731, 259294, 407462, 907529, 1426117, 1815058, 2852234, 9982819, 19965638]

約数ペア:

[(1, 19965638), (2, 9982819), (7, 2852234), (11, 1815058), (14, 1426117), (22, 907529), (49, 407462), (77, 259294), (98, 203731), (154, 129647), (539, 37042), (1078, 18521)]