19839644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 38543400

約数和(自身を除く): 18703756

約数列:

[1, 2, 4, 11, 22, 44, 121, 179, 229, 242, 358, 458, 484, 716, 916, 1969, 2519, 3938, 5038, 7876, 10076, 21659, 27709, 40991, 43318, 55418, 81982, 86636, 110836, 163964, 450901, 901802, 1803604, 4959911, 9919822, 19839644]

約数ペア:

[(1, 19839644), (2, 9919822), (4, 4959911), (11, 1803604), (22, 901802), (44, 450901), (121, 163964), (179, 110836), (229, 86636), (242, 81982), (358, 55418), (458, 43318), (484, 40991), (716, 27709), (916, 21659), (1969, 10076), (2519, 7876), (3938, 5038)]