19949592

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 35046888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1487, 1677, 2236, 2974, 3354, 4461, 4472, 5948, 6708, 8922, 11896, 13416, 17844, 19331, 35688, 38662, 57993, 63941, 77324, 115986, 127882, 154648, 191823, 231972, 255764, 383646, 463944, 511528, 767292, 831233, 1534584, 1662466, 2493699, 3324932, 4987398, 6649864, 9974796, 19949592]

約数ペア:

[(1, 19949592), (2, 9974796), (3, 6649864), (4, 4987398), (6, 3324932), (8, 2493699), (12, 1662466), (13, 1534584), (24, 831233), (26, 767292), (39, 511528), (43, 463944), (52, 383646), (78, 255764), (86, 231972), (104, 191823), (129, 154648), (156, 127882), (172, 115986), (258, 77324), (312, 63941), (344, 57993), (516, 38662), (559, 35688), (1032, 19331), (1118, 17844), (1487, 13416), (1677, 11896), (2236, 8922), (2974, 6708), (3354, 5948), (4461, 4472)]