19818372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3323}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 53609472

約数和(自身を除く): 33791100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3323, 5964, 6646, 9969, 13292, 19938, 23261, 39876, 46522, 69783, 93044, 139566, 235933, 279132, 471866, 707799, 943732, 1415598, 1651531, 2831196, 3303062, 4954593, 6606124, 9909186, 19818372]

約数ペア:

[(1, 19818372), (2, 9909186), (3, 6606124), (4, 4954593), (6, 3303062), (7, 2831196), (12, 1651531), (14, 1415598), (21, 943732), (28, 707799), (42, 471866), (71, 279132), (84, 235933), (142, 139566), (213, 93044), (284, 69783), (426, 46522), (497, 39876), (852, 23261), (994, 19938), (1491, 13292), (1988, 9969), (2982, 6646), (3323, 5964)]