19791464

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 49377600

約数和(自身を除く): 29586136

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 89, 133, 152, 154, 178, 209, 266, 308, 356, 361, 418, 532, 616, 623, 712, 722, 836, 979, 1064, 1246, 1444, 1463, 1672, 1691, 1958, 2492, 2527, 2888, 2926, 3382, 3916, 3971, 4984, 5054, 5852, 6764, 6853, 7832, 7942, 10108, 11704, 11837, 13528, 13706, 15884, 18601, 20216, 23674, 27412, 27797, 31768, 32129, 37202, 47348, 54824, 55594, 64258, 74404, 94696, 111188, 128516, 130207, 148808, 222376, 224903, 257032, 260414, 353419, 449806, 520828, 706838, 899612, 1041656, 1413676, 1799224, 2473933, 2827352, 4947866, 9895732, 19791464]

約数ペア:

[(1, 19791464), (2, 9895732), (4, 4947866), (7, 2827352), (8, 2473933), (11, 1799224), (14, 1413676), (19, 1041656), (22, 899612), (28, 706838), (38, 520828), (44, 449806), (56, 353419), (76, 260414), (77, 257032), (88, 224903), (89, 222376), (133, 148808), (152, 130207), (154, 128516), (178, 111188), (209, 94696), (266, 74404), (308, 64258), (356, 55594), (361, 54824), (418, 47348), (532, 37202), (616, 32129), (623, 31768), (712, 27797), (722, 27412), (836, 23674), (979, 20216), (1064, 18601), (1246, 15884), (1444, 13706), (1463, 13528), (1672, 11837), (1691, 11704), (1958, 10108), (2492, 7942), (2527, 7832), (2888, 6853), (2926, 6764), (3382, 5852), (3916, 5054), (3971, 4984)]