19913710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 38021760

約数和(自身を除く): 18108050

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 643, 815, 1286, 1630, 3097, 3215, 6194, 6430, 12217, 15485, 24434, 30970, 61085, 104809, 122170, 209618, 524045, 1048090, 1991371, 3982742, 9956855, 19913710]

約数ペア:

[(1, 19913710), (2, 9956855), (5, 3982742), (10, 1991371), (19, 1048090), (38, 524045), (95, 209618), (163, 122170), (190, 104809), (326, 61085), (643, 30970), (815, 24434), (1286, 15485), (1630, 12217), (3097, 6430), (3215, 6194)]