19506843

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 9846117

約数列:

[1, 3, 9, 31, 93, 139, 279, 417, 503, 1251, 1509, 4309, 4527, 12927, 15593, 38781, 46779, 69917, 140337, 209751, 629253, 2167427, 6502281, 19506843]

約数ペア:

[(1, 19506843), (3, 6502281), (9, 2167427), (31, 629253), (93, 209751), (139, 140337), (279, 69917), (417, 46779), (503, 38781), (1251, 15593), (1509, 12927), (4309, 4527)]