19899396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 56679168

約数和(自身を除く): 36779772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 1621, 2046, 3069, 3242, 4092, 4863, 6138, 6484, 9726, 12276, 14589, 17831, 19452, 29178, 35662, 50251, 53493, 58356, 71324, 100502, 106986, 150753, 160479, 201004, 213972, 301506, 320958, 452259, 552761, 603012, 641916, 904518, 1105522, 1658283, 1809036, 2211044, 3316566, 4974849, 6633132, 9949698, 19899396]

約数ペア:

[(1, 19899396), (2, 9949698), (3, 6633132), (4, 4974849), (6, 3316566), (9, 2211044), (11, 1809036), (12, 1658283), (18, 1105522), (22, 904518), (31, 641916), (33, 603012), (36, 552761), (44, 452259), (62, 320958), (66, 301506), (93, 213972), (99, 201004), (124, 160479), (132, 150753), (186, 106986), (198, 100502), (279, 71324), (341, 58356), (372, 53493), (396, 50251), (558, 35662), (682, 29178), (1023, 19452), (1116, 17831), (1364, 14589), (1621, 12276), (2046, 9726), (3069, 6484), (3242, 6138), (4092, 4863)]