19873872

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1840

約数の個数: 60

約数和(自身を含む): 56355520

約数和(自身を除く): 36481648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1747, 1896, 2844, 3494, 3792, 5241, 5688, 6988, 10482, 11376, 13976, 15723, 20964, 27952, 31446, 41928, 62892, 83856, 125784, 138013, 251568, 276026, 414039, 552052, 828078, 1104104, 1242117, 1656156, 2208208, 2484234, 3312312, 4968468, 6624624, 9936936, 19873872]

約数ペア:

[(1, 19873872), (2, 9936936), (3, 6624624), (4, 4968468), (6, 3312312), (8, 2484234), (9, 2208208), (12, 1656156), (16, 1242117), (18, 1104104), (24, 828078), (36, 552052), (48, 414039), (72, 276026), (79, 251568), (144, 138013), (158, 125784), (237, 83856), (316, 62892), (474, 41928), (632, 31446), (711, 27952), (948, 20964), (1264, 15723), (1422, 13976), (1747, 11376), (1896, 10482), (2844, 6988), (3494, 5688), (3792, 5241)]