19907756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1213}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 38139024

約数和(自身を除く): 18231268

約数列:

[1, 2, 4, 11, 22, 44, 373, 746, 1213, 1492, 2426, 4103, 4852, 8206, 13343, 16412, 26686, 53372, 452449, 904898, 1809796, 4976939, 9953878, 19907756]

約数ペア:

[(1, 19907756), (2, 9953878), (4, 4976939), (11, 1809796), (22, 904898), (44, 452449), (373, 53372), (746, 26686), (1213, 16412), (1492, 13343), (2426, 8206), (4103, 4852)]