18853948

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 33762960

約数和(自身を除く): 14909012

約数列:

[1, 2, 4, 83, 109, 166, 218, 332, 436, 521, 1042, 2084, 9047, 18094, 36188, 43243, 56789, 86486, 113578, 172972, 227156, 4713487, 9426974, 18853948]

約数ペア:

[(1, 18853948), (2, 9426974), (4, 4713487), (83, 227156), (109, 172972), (166, 113578), (218, 86486), (332, 56789), (436, 43243), (521, 36188), (1042, 18094), (2084, 9047)]