18354722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 12058078

約数列:

[1, 2, 19, 38, 43, 47, 86, 94, 239, 478, 817, 893, 1634, 1786, 2021, 4042, 4541, 9082, 10277, 11233, 20554, 22466, 38399, 76798, 195263, 213427, 390526, 426854, 483019, 966038, 9177361, 18354722]

約数ペア:

[(1, 18354722), (2, 9177361), (19, 966038), (38, 483019), (43, 426854), (47, 390526), (86, 213427), (94, 195263), (239, 76798), (478, 38399), (817, 22466), (893, 20554), (1634, 11233), (1786, 10277), (2021, 9082), (4042, 4541)]