15787974

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 34399728

約数和(自身を除く): 18611754

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 197, 222, 361, 394, 591, 703, 722, 1083, 1182, 1406, 2109, 2166, 3743, 4218, 7289, 7486, 11229, 13357, 14578, 21867, 22458, 26714, 40071, 43734, 71117, 80142, 138491, 142234, 213351, 276982, 415473, 426702, 830946, 2631329, 5262658, 7893987, 15787974]

約数ペア:

[(1, 15787974), (2, 7893987), (3, 5262658), (6, 2631329), (19, 830946), (37, 426702), (38, 415473), (57, 276982), (74, 213351), (111, 142234), (114, 138491), (197, 80142), (222, 71117), (361, 43734), (394, 40071), (591, 26714), (703, 22458), (722, 21867), (1083, 14578), (1182, 13357), (1406, 11229), (2109, 7486), (2166, 7289), (3743, 4218)]