19638584

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5749}}^1$

素因数の和:5823

約数の個数: 32

約数和(自身を含む): 42780000

約数和(自身を除く): 23141416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5749, 11498, 22996, 40243, 45992, 80486, 160972, 321944, 350689, 701378, 1402756, 2454823, 2805512, 4909646, 9819292, 19638584]

約数ペア:

[(1, 19638584), (2, 9819292), (4, 4909646), (7, 2805512), (8, 2454823), (14, 1402756), (28, 701378), (56, 350689), (61, 321944), (122, 160972), (244, 80486), (427, 45992), (488, 40243), (854, 22996), (1708, 11498), (3416, 5749)]