19793560

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1181}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 44679600

約数和(自身を除く): 24886040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1181, 1676, 2095, 2362, 3352, 4190, 4724, 5905, 8380, 9448, 11810, 16760, 23620, 47240, 494839, 989678, 1979356, 2474195, 3958712, 4948390, 9896780, 19793560]

約数ペア:

[(1, 19793560), (2, 9896780), (4, 4948390), (5, 3958712), (8, 2474195), (10, 1979356), (20, 989678), (40, 494839), (419, 47240), (838, 23620), (1181, 16760), (1676, 11810), (2095, 9448), (2362, 8380), (3352, 5905), (4190, 4724)]