15721496990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1831}}^1\times {\mathrm{45191}}^1$

素因数の和:47048

約数の個数: 32

約数和(自身を含む): 29805027840

約数和(自身を除く): 14083530850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1831, 3662, 9155, 18310, 34789, 45191, 69578, 90382, 173945, 225955, 347890, 451910, 858629, 1717258, 4293145, 8586290, 82744721, 165489442, 413723605, 827447210, 1572149699, 3144299398, 7860748495, 15721496990]

約数ペア:

[(1, 15721496990), (2, 7860748495), (5, 3144299398), (10, 1572149699), (19, 827447210), (38, 413723605), (95, 165489442), (190, 82744721), (1831, 8586290), (3662, 4293145), (9155, 1717258), (18310, 858629), (34789, 451910), (45191, 347890), (69578, 225955), (90382, 173945)]