19988136

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{39659}}^1$

素因数の和:39678

約数の個数: 48

約数和(自身を含む): 61869600

約数和(自身を除く): 41881464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 39659, 79318, 118977, 158636, 237954, 277613, 317272, 356931, 475908, 555226, 713862, 832839, 951816, 1110452, 1427724, 1665678, 2220904, 2498517, 2855448, 3331356, 4997034, 6662712, 9994068, 19988136]

約数ペア:

[(1, 19988136), (2, 9994068), (3, 6662712), (4, 4997034), (6, 3331356), (7, 2855448), (8, 2498517), (9, 2220904), (12, 1665678), (14, 1427724), (18, 1110452), (21, 951816), (24, 832839), (28, 713862), (36, 555226), (42, 475908), (56, 356931), (63, 317272), (72, 277613), (84, 237954), (126, 158636), (168, 118977), (252, 79318), (504, 39659)]