19980184

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5849}}^1$

素因数の和:5923

約数の個数: 32

約数和(自身を含む): 43524000

約数和(自身を除く): 23543816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5849, 11698, 23396, 40943, 46792, 81886, 163772, 327544, 356789, 713578, 1427156, 2497523, 2854312, 4995046, 9990092, 19980184]

約数ペア:

[(1, 19980184), (2, 9990092), (4, 4995046), (7, 2854312), (8, 2497523), (14, 1427156), (28, 713578), (56, 356789), (61, 327544), (122, 163772), (244, 81886), (427, 46792), (488, 40943), (854, 23396), (1708, 11698), (3416, 5849)]