19861704

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{887}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 54025920

約数和(自身を除く): 34164216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 887, 933, 1244, 1774, 1866, 2488, 2661, 2799, 3548, 3732, 5322, 5598, 7096, 7464, 7983, 10644, 11196, 15966, 21288, 22392, 31932, 63864, 275857, 551714, 827571, 1103428, 1655142, 2206856, 2482713, 3310284, 4965426, 6620568, 9930852, 19861704]

約数ペア:

[(1, 19861704), (2, 9930852), (3, 6620568), (4, 4965426), (6, 3310284), (8, 2482713), (9, 2206856), (12, 1655142), (18, 1103428), (24, 827571), (36, 551714), (72, 275857), (311, 63864), (622, 31932), (887, 22392), (933, 21288), (1244, 15966), (1774, 11196), (1866, 10644), (2488, 7983), (2661, 7464), (2799, 7096), (3548, 5598), (3732, 5322)]