18968194

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 16654526

約数列:

[1, 2, 7, 14, 19, 38, 49, 61, 98, 122, 133, 167, 266, 334, 427, 854, 931, 1159, 1169, 1862, 2318, 2338, 2989, 3173, 5978, 6346, 8113, 8183, 10187, 16226, 16366, 20374, 22211, 44422, 56791, 71309, 113582, 142618, 155477, 193553, 310954, 387106, 499163, 998326, 1354871, 2709742, 9484097, 18968194]

約数ペア:

[(1, 18968194), (2, 9484097), (7, 2709742), (14, 1354871), (19, 998326), (38, 499163), (49, 387106), (61, 310954), (98, 193553), (122, 155477), (133, 142618), (167, 113582), (266, 71309), (334, 56791), (427, 44422), (854, 22211), (931, 20374), (1159, 16366), (1169, 16226), (1862, 10187), (2318, 8183), (2338, 8113), (2989, 6346), (3173, 5978)]