9663661820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{251789}}^1$

素因数の和:251918

約数の個数: 48

約数和(自身を含む): 21573367200

約数和(自身を除く): 11909705380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 38380, 251789, 503578, 1007156, 1258945, 2517890, 4783991, 5035780, 9567982, 19135964, 23919955, 25430689, 47839910, 50861378, 95679820, 101722756, 127153445, 254306890, 483183091, 508613780, 966366182, 1932732364, 2415915455, 4831830910, 9663661820]

約数ペア:

[(1, 9663661820), (2, 4831830910), (4, 2415915455), (5, 1932732364), (10, 966366182), (19, 508613780), (20, 483183091), (38, 254306890), (76, 127153445), (95, 101722756), (101, 95679820), (190, 50861378), (202, 47839910), (380, 25430689), (404, 23919955), (505, 19135964), (1010, 9567982), (1919, 5035780), (2020, 4783991), (3838, 2517890), (7676, 1258945), (9595, 1007156), (19190, 503578), (38380, 251789)]