20197661390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1\times {\mathrm{55051}}^1$

素因数の和:57008

約数の個数: 32

約数和(自身を含む): 38289767040

約数和(自身を除く): 18092105650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1931, 3862, 9655, 19310, 36689, 55051, 73378, 110102, 183445, 275255, 366890, 550510, 1045969, 2091938, 5229845, 10459690, 106303481, 212606962, 531517405, 1063034810, 2019766139, 4039532278, 10098830695, 20197661390]

約数ペア:

[(1, 20197661390), (2, 10098830695), (5, 4039532278), (10, 2019766139), (19, 1063034810), (38, 531517405), (95, 212606962), (190, 106303481), (1931, 10459690), (3862, 5229845), (9655, 2091938), (19310, 1045969), (36689, 550510), (55051, 366890), (73378, 275255), (110102, 183445)]