1984208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 4151520

約数和(自身を除く): 2167312

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 107, 122, 152, 214, 244, 304, 428, 488, 856, 976, 1159, 1712, 2033, 2318, 4066, 4636, 6527, 8132, 9272, 13054, 16264, 18544, 26108, 32528, 52216, 104432, 124013, 248026, 496052, 992104, 1984208]

約数ペア:

[(1, 1984208), (2, 992104), (4, 496052), (8, 248026), (16, 124013), (19, 104432), (38, 52216), (61, 32528), (76, 26108), (107, 18544), (122, 16264), (152, 13054), (214, 9272), (244, 8132), (304, 6527), (428, 4636), (488, 4066), (856, 2318), (976, 2033), (1159, 1712)]