2019021860

素因数分解:

$2^2\times 5^1\times {\mathrm{11447}}^1\times {\mathrm{8819}}^1$

素因数の和:20275

約数の個数: 24

約数和(自身を含む): 4240797120

約数和(自身を除く): 2221775260

約数列:

[1, 2, 4, 5, 10, 20, 8819, 11447, 17638, 22894, 35276, 44095, 45788, 57235, 88190, 114470, 176380, 228940, 100951093, 201902186, 403804372, 504755465, 1009510930, 2019021860]

約数ペア:

[(1, 2019021860), (2, 1009510930), (4, 504755465), (5, 403804372), (10, 201902186), (20, 100951093), (8819, 228940), (11447, 176380), (17638, 114470), (22894, 88190), (35276, 57235), (44095, 45788)]