18918917283

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1\times {\mathrm{39847}}^1$

素因数の和:40863

約数の個数: 32

約数和(自身を含む): 30113611776

約数和(自身を除く): 11194694493

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 983, 2949, 6881, 20643, 22609, 39847, 67827, 119541, 158263, 278929, 474789, 836787, 916481, 2749443, 6415367, 19246101, 39169601, 117508803, 274187207, 822561621, 900900823, 2702702469, 6306305761, 18918917283]

約数ペア:

[(1, 18918917283), (3, 6306305761), (7, 2702702469), (21, 900900823), (23, 822561621), (69, 274187207), (161, 117508803), (483, 39169601), (983, 19246101), (2949, 6415367), (6881, 2749443), (20643, 916481), (22609, 836787), (39847, 474789), (67827, 278929), (119541, 158263)]