18741436

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 38937024

約数和(自身を除く): 20195588

約数列:

[1, 2, 4, 7, 14, 28, 53, 73, 106, 146, 173, 212, 292, 346, 371, 511, 692, 742, 1022, 1211, 1484, 2044, 2422, 3869, 4844, 7738, 9169, 12629, 15476, 18338, 25258, 27083, 36676, 50516, 54166, 64183, 88403, 108332, 128366, 176806, 256732, 353612, 669337, 1338674, 2677348, 4685359, 9370718, 18741436]

約数ペア:

[(1, 18741436), (2, 9370718), (4, 4685359), (7, 2677348), (14, 1338674), (28, 669337), (53, 353612), (73, 256732), (106, 176806), (146, 128366), (173, 108332), (212, 88403), (292, 64183), (346, 54166), (371, 50516), (511, 36676), (692, 27083), (742, 25258), (1022, 18338), (1211, 15476), (1484, 12629), (2044, 9169), (2422, 7738), (3869, 4844)]