18764886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2741}}^1$

素因数の和:2916

約数の個数: 32

約数和(自身を含む): 43170048

約数和(自身を除く): 24405162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 2741, 3423, 5482, 6846, 8223, 16446, 19187, 38374, 57561, 115122, 446783, 893566, 1340349, 2680698, 3127481, 6254962, 9382443, 18764886]

約数ペア:

[(1, 18764886), (2, 9382443), (3, 6254962), (6, 3127481), (7, 2680698), (14, 1340349), (21, 893566), (42, 446783), (163, 115122), (326, 57561), (489, 38374), (978, 19187), (1141, 16446), (2282, 8223), (2741, 6846), (3423, 5482)]