18905396

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 33744480

約数和(自身を除く): 14839084

約数列:

[1, 2, 4, 109, 131, 218, 262, 331, 436, 524, 662, 1324, 14279, 28558, 36079, 43361, 57116, 72158, 86722, 144316, 173444, 4726349, 9452698, 18905396]

約数ペア:

[(1, 18905396), (2, 9452698), (4, 4726349), (109, 173444), (131, 144316), (218, 86722), (262, 72158), (331, 57116), (436, 43361), (524, 36079), (662, 28558), (1324, 14279)]