18970794112

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{7800491}}^1$

素因数の和:7800524

約数の個数: 32

約数和(自身を含む): 39782509200

約数和(自身を除く): 20811715088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 7800491, 15600982, 31201964, 62403928, 124807856, 148209329, 249615712, 296418658, 499231424, 592837316, 998462848, 1185674632, 2371349264, 4742698528, 9485397056, 18970794112]

約数ペア:

[(1, 18970794112), (2, 9485397056), (4, 4742698528), (8, 2371349264), (16, 1185674632), (19, 998462848), (32, 592837316), (38, 499231424), (64, 296418658), (76, 249615712), (128, 148209329), (152, 124807856), (304, 62403928), (608, 31201964), (1216, 15600982), (2432, 7800491)]