19977650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5189}}^1$

素因数の和:5219

約数の個数: 48

約数和(自身を含む): 46336320

約数和(自身を除く): 26358670

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5189, 10378, 25945, 36323, 51890, 57079, 72646, 114158, 129725, 181615, 259450, 285395, 363230, 399553, 570790, 799106, 908075, 1426975, 1816150, 1997765, 2853950, 3995530, 9988825, 19977650]

約数ペア:

[(1, 19977650), (2, 9988825), (5, 3995530), (7, 2853950), (10, 1997765), (11, 1816150), (14, 1426975), (22, 908075), (25, 799106), (35, 570790), (50, 399553), (55, 363230), (70, 285395), (77, 259450), (110, 181615), (154, 129725), (175, 114158), (275, 72646), (350, 57079), (385, 51890), (550, 36323), (770, 25945), (1925, 10378), (3850, 5189)]