199620916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{238781}}^1$

素因数の和:238815

約数の個数: 24

約数和(自身を含む): 401153760

約数和(自身を除く): 201532844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 238781, 477562, 955124, 2626591, 4536839, 5253182, 9073678, 10506364, 18147356, 49905229, 99810458, 199620916]

約数ペア:

[(1, 199620916), (2, 99810458), (4, 49905229), (11, 18147356), (19, 10506364), (22, 9073678), (38, 5253182), (44, 4536839), (76, 2626591), (209, 955124), (418, 477562), (836, 238781)]