16905136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{55609}}^1$

素因数の和:55636

約数の個数: 20

約数和(自身を含む): 34478200

約数和(自身を除く): 17573064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 55609, 111218, 222436, 444872, 889744, 1056571, 2113142, 4226284, 8452568, 16905136]

約数ペア:

[(1, 16905136), (2, 8452568), (4, 4226284), (8, 2113142), (16, 1056571), (19, 889744), (38, 444872), (76, 222436), (152, 111218), (304, 55609)]