19880196

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8161}}^1$

素因数の和:8204

約数の個数: 48

約数和(自身を含む): 54848640

約数和(自身を除く): 34968444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8161, 16322, 24483, 32644, 48966, 57127, 97932, 114254, 171381, 228508, 236669, 342762, 473338, 685524, 710007, 946676, 1420014, 1656683, 2840028, 3313366, 4970049, 6626732, 9940098, 19880196]

約数ペア:

[(1, 19880196), (2, 9940098), (3, 6626732), (4, 4970049), (6, 3313366), (7, 2840028), (12, 1656683), (14, 1420014), (21, 946676), (28, 710007), (29, 685524), (42, 473338), (58, 342762), (84, 236669), (87, 228508), (116, 171381), (174, 114254), (203, 97932), (348, 57127), (406, 48966), (609, 32644), (812, 24483), (1218, 16322), (2436, 8161)]