19991502

素因数分解:

$2^1\times 3^3\times {\mathrm{370213}}^1$

素因数の和:370224

約数の個数: 16

約数和(自身を含む): 44425680

約数和(自身を除く): 24434178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 370213, 740426, 1110639, 2221278, 3331917, 6663834, 9995751, 19991502]

約数ペア:

[(1, 19991502), (2, 9995751), (3, 6663834), (6, 3331917), (9, 2221278), (18, 1110639), (27, 740426), (54, 370213)]