19718238

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{643}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 22012962

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 269, 538, 643, 807, 1286, 1614, 1929, 3858, 5111, 10222, 12217, 15333, 24434, 30666, 36651, 73302, 172967, 345934, 518901, 1037802, 3286373, 6572746, 9859119, 19718238]

約数ペア:

[(1, 19718238), (2, 9859119), (3, 6572746), (6, 3286373), (19, 1037802), (38, 518901), (57, 345934), (114, 172967), (269, 73302), (538, 36651), (643, 30666), (807, 24434), (1286, 15333), (1614, 12217), (1929, 10222), (3858, 5111)]