19812828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1583}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 33409572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1583, 1788, 2086, 3129, 3166, 4172, 4749, 6258, 6332, 9498, 11081, 12516, 18996, 22162, 33243, 44324, 66486, 132972, 235867, 471734, 707601, 943468, 1415202, 1651069, 2830404, 3302138, 4953207, 6604276, 9906414, 19812828]

約数ペア:

[(1, 19812828), (2, 9906414), (3, 6604276), (4, 4953207), (6, 3302138), (7, 2830404), (12, 1651069), (14, 1415202), (21, 943468), (28, 707601), (42, 471734), (84, 235867), (149, 132972), (298, 66486), (447, 44324), (596, 33243), (894, 22162), (1043, 18996), (1583, 12516), (1788, 11081), (2086, 9498), (3129, 6332), (3166, 6258), (4172, 4749)]