18903746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13029694

約数列:

[1, 2, 19, 23, 38, 43, 46, 86, 437, 503, 817, 874, 989, 1006, 1634, 1978, 9557, 11569, 18791, 19114, 21629, 23138, 37582, 43258, 219811, 410951, 439622, 497467, 821902, 994934, 9451873, 18903746]

約数ペア:

[(1, 18903746), (2, 9451873), (19, 994934), (23, 821902), (38, 497467), (43, 439622), (46, 410951), (86, 219811), (437, 43258), (503, 37582), (817, 23138), (874, 21629), (989, 19114), (1006, 18791), (1634, 11569), (1978, 9557)]