18895988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1571}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 34508544

約数和(自身を除く): 15612556

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1571, 3007, 3142, 6014, 6284, 12028, 48701, 97402, 152387, 194804, 304774, 609548, 4723997, 9447994, 18895988]

約数ペア:

[(1, 18895988), (2, 9447994), (4, 4723997), (31, 609548), (62, 304774), (97, 194804), (124, 152387), (194, 97402), (388, 48701), (1571, 12028), (3007, 6284), (3142, 6014)]