19664484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 54468288

約数和(自身を除く): 34803804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 631, 636, 742, 1113, 1262, 1484, 1893, 2226, 2524, 2597, 3786, 4417, 4452, 5194, 7572, 7791, 8834, 10388, 13251, 15582, 17668, 26502, 30919, 31164, 33443, 53004, 61838, 66886, 92757, 100329, 123676, 133772, 185514, 200658, 234101, 371028, 401316, 468202, 702303, 936404, 1404606, 1638707, 2809212, 3277414, 4916121, 6554828, 9832242, 19664484]

約数ペア:

[(1, 19664484), (2, 9832242), (3, 6554828), (4, 4916121), (6, 3277414), (7, 2809212), (12, 1638707), (14, 1404606), (21, 936404), (28, 702303), (42, 468202), (49, 401316), (53, 371028), (84, 234101), (98, 200658), (106, 185514), (147, 133772), (159, 123676), (196, 100329), (212, 92757), (294, 66886), (318, 61838), (371, 53004), (588, 33443), (631, 31164), (636, 30919), (742, 26502), (1113, 17668), (1262, 15582), (1484, 13251), (1893, 10388), (2226, 8834), (2524, 7791), (2597, 7572), (3786, 5194), (4417, 4452)]