19595950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 41559840

約数和(自身を除く): 21963890

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 79, 82, 110, 121, 158, 205, 242, 275, 395, 410, 451, 550, 605, 790, 869, 902, 1025, 1210, 1738, 1975, 2050, 2255, 3025, 3239, 3950, 4345, 4510, 4961, 6050, 6478, 8690, 9559, 9922, 11275, 16195, 19118, 21725, 22550, 24805, 32390, 35629, 43450, 47795, 49610, 71258, 80975, 95590, 124025, 161950, 178145, 238975, 248050, 356290, 391919, 477950, 783838, 890725, 1781450, 1959595, 3919190, 9797975, 19595950]

約数ペア:

[(1, 19595950), (2, 9797975), (5, 3919190), (10, 1959595), (11, 1781450), (22, 890725), (25, 783838), (41, 477950), (50, 391919), (55, 356290), (79, 248050), (82, 238975), (110, 178145), (121, 161950), (158, 124025), (205, 95590), (242, 80975), (275, 71258), (395, 49610), (410, 47795), (451, 43450), (550, 35629), (605, 32390), (790, 24805), (869, 22550), (902, 21725), (1025, 19118), (1210, 16195), (1738, 11275), (1975, 9922), (2050, 9559), (2255, 8690), (3025, 6478), (3239, 6050), (3950, 4961), (4345, 4510)]