19815852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4451}}^1$

素因数の和:4518

約数の個数: 48

約数和(自身を含む): 53851392

約数和(自身を除く): 34035540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4451, 4452, 8902, 13353, 17804, 26706, 31157, 53412, 62314, 93471, 124628, 186942, 235903, 373884, 471806, 707709, 943612, 1415418, 1651321, 2830836, 3302642, 4953963, 6605284, 9907926, 19815852]

約数ペア:

[(1, 19815852), (2, 9907926), (3, 6605284), (4, 4953963), (6, 3302642), (7, 2830836), (12, 1651321), (14, 1415418), (21, 943612), (28, 707709), (42, 471806), (53, 373884), (84, 235903), (106, 186942), (159, 124628), (212, 93471), (318, 62314), (371, 53412), (636, 31157), (742, 26706), (1113, 17804), (1484, 13353), (2226, 8902), (4451, 4452)]