18712264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 37144800

約数和(自身を除く): 18432536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 307, 401, 614, 802, 1228, 1604, 2456, 3208, 5833, 7619, 11666, 15238, 23332, 30476, 46664, 60952, 123107, 246214, 492428, 984856, 2339033, 4678066, 9356132, 18712264]

約数ペア:

[(1, 18712264), (2, 9356132), (4, 4678066), (8, 2339033), (19, 984856), (38, 492428), (76, 246214), (152, 123107), (307, 60952), (401, 46664), (614, 30476), (802, 23332), (1228, 15238), (1604, 11666), (2456, 7619), (3208, 5833)]