15893918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 26231040

約数和(自身を除く): 10337122

約数列:

[1, 2, 19, 38, 43, 71, 86, 137, 142, 274, 817, 1349, 1634, 2603, 2698, 3053, 5206, 5891, 6106, 9727, 11782, 19454, 58007, 111929, 116014, 184813, 223858, 369626, 418261, 836522, 7946959, 15893918]

約数ペア:

[(1, 15893918), (2, 7946959), (19, 836522), (38, 418261), (43, 369626), (71, 223858), (86, 184813), (137, 116014), (142, 111929), (274, 58007), (817, 19454), (1349, 11782), (1634, 9727), (2603, 6106), (2698, 5891), (3053, 5206)]