19456941

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 31426560

約数和(自身を除く): 11969619

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 743, 903, 1247, 2229, 3741, 5201, 8729, 15603, 21547, 26187, 31949, 64641, 95847, 150829, 223643, 452487, 670929, 926521, 2779563, 6485647, 19456941]

約数ペア:

[(1, 19456941), (3, 6485647), (7, 2779563), (21, 926521), (29, 670929), (43, 452487), (87, 223643), (129, 150829), (203, 95847), (301, 64641), (609, 31949), (743, 26187), (903, 21547), (1247, 15603), (2229, 8729), (3741, 5201)]