18952496

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 38060064

約数和(自身を除く): 19107568

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 167, 173, 328, 334, 346, 656, 668, 692, 1336, 1384, 2672, 2768, 6847, 7093, 13694, 14186, 27388, 28372, 28891, 54776, 56744, 57782, 109552, 113488, 115564, 231128, 462256, 1184531, 2369062, 4738124, 9476248, 18952496]

約数ペア:

[(1, 18952496), (2, 9476248), (4, 4738124), (8, 2369062), (16, 1184531), (41, 462256), (82, 231128), (164, 115564), (167, 113488), (173, 109552), (328, 57782), (334, 56744), (346, 54776), (656, 28891), (668, 28372), (692, 27388), (1336, 14186), (1384, 13694), (2672, 7093), (2768, 6847)]