19682300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 48278160

約数和(自身を除く): 28595860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 617, 638, 725, 1100, 1234, 1276, 1450, 1595, 2468, 2900, 3085, 3190, 6170, 6380, 6787, 7975, 12340, 13574, 15425, 15950, 17893, 27148, 30850, 31900, 33935, 35786, 61700, 67870, 71572, 89465, 135740, 169675, 178930, 196823, 339350, 357860, 393646, 447325, 678700, 787292, 894650, 984115, 1789300, 1968230, 3936460, 4920575, 9841150, 19682300]

約数ペア:

[(1, 19682300), (2, 9841150), (4, 4920575), (5, 3936460), (10, 1968230), (11, 1789300), (20, 984115), (22, 894650), (25, 787292), (29, 678700), (44, 447325), (50, 393646), (55, 357860), (58, 339350), (100, 196823), (110, 178930), (116, 169675), (145, 135740), (220, 89465), (275, 71572), (290, 67870), (319, 61700), (550, 35786), (580, 33935), (617, 31900), (638, 30850), (725, 27148), (1100, 17893), (1234, 15950), (1276, 15425), (1450, 13574), (1595, 12340), (2468, 7975), (2900, 6787), (3085, 6380), (3190, 6170)]