19693436

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 21701764

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 79, 116, 158, 203, 307, 316, 406, 553, 614, 812, 1106, 1228, 2149, 2212, 2291, 4298, 4582, 8596, 8903, 9164, 16037, 17806, 24253, 32074, 35612, 48506, 62321, 64148, 97012, 124642, 169771, 249284, 339542, 679084, 703337, 1406674, 2813348, 4923359, 9846718, 19693436]

約数ペア:

[(1, 19693436), (2, 9846718), (4, 4923359), (7, 2813348), (14, 1406674), (28, 703337), (29, 679084), (58, 339542), (79, 249284), (116, 169771), (158, 124642), (203, 97012), (307, 64148), (316, 62321), (406, 48506), (553, 35612), (614, 32074), (812, 24253), (1106, 17806), (1228, 16037), (2149, 9164), (2212, 8903), (2291, 8596), (4298, 4582)]