1649428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 3316320

約数和(自身を除く): 1666892

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 1973, 3946, 7892, 21703, 37487, 43406, 74974, 86812, 149948, 412357, 824714, 1649428]

約数ペア:

[(1, 1649428), (2, 824714), (4, 412357), (11, 149948), (19, 86812), (22, 74974), (38, 43406), (44, 37487), (76, 21703), (209, 7892), (418, 3946), (836, 1973)]