19858590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{947}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 51908688

約数和(自身を除く): 32050098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 947, 1165, 1398, 1894, 2097, 2330, 2841, 3495, 4194, 4735, 5682, 6990, 8523, 9470, 10485, 14205, 17046, 20970, 28410, 42615, 85230, 220651, 441302, 661953, 1103255, 1323906, 1985859, 2206510, 3309765, 3971718, 6619530, 9929295, 19858590]

約数ペア:

[(1, 19858590), (2, 9929295), (3, 6619530), (5, 3971718), (6, 3309765), (9, 2206510), (10, 1985859), (15, 1323906), (18, 1103255), (30, 661953), (45, 441302), (90, 220651), (233, 85230), (466, 42615), (699, 28410), (947, 20970), (1165, 17046), (1398, 14205), (1894, 10485), (2097, 9470), (2330, 8523), (2841, 6990), (3495, 5682), (4194, 4735)]