19691856

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 80

約数和(自身を含む): 57337600

約数和(自身を除く): 37645744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 577, 632, 711, 948, 1154, 1264, 1422, 1731, 1896, 2133, 2308, 2844, 3462, 3792, 4266, 4616, 5193, 5688, 6924, 8532, 9232, 10386, 11376, 13848, 15579, 17064, 20772, 27696, 31158, 34128, 41544, 45583, 62316, 83088, 91166, 124632, 136749, 182332, 249264, 273498, 364664, 410247, 546996, 729328, 820494, 1093992, 1230741, 1640988, 2187984, 2461482, 3281976, 4922964, 6563952, 9845928, 19691856]

約数ペア:

[(1, 19691856), (2, 9845928), (3, 6563952), (4, 4922964), (6, 3281976), (8, 2461482), (9, 2187984), (12, 1640988), (16, 1230741), (18, 1093992), (24, 820494), (27, 729328), (36, 546996), (48, 410247), (54, 364664), (72, 273498), (79, 249264), (108, 182332), (144, 136749), (158, 124632), (216, 91166), (237, 83088), (316, 62316), (432, 45583), (474, 41544), (577, 34128), (632, 31158), (711, 27696), (948, 20772), (1154, 17064), (1264, 15579), (1422, 13848), (1731, 11376), (1896, 10386), (2133, 9232), (2308, 8532), (2844, 6924), (3462, 5688), (3792, 5193), (4266, 4616)]