19861688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 48902400

約数和(自身を除く): 29040712

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1697, 2926, 3394, 5852, 6788, 11704, 11879, 13576, 18667, 23758, 32243, 37334, 47516, 64486, 74668, 95032, 128972, 130669, 149336, 225701, 257944, 261338, 354673, 451402, 522676, 709346, 902804, 1045352, 1418692, 1805608, 2482711, 2837384, 4965422, 9930844, 19861688]

約数ペア:

[(1, 19861688), (2, 9930844), (4, 4965422), (7, 2837384), (8, 2482711), (11, 1805608), (14, 1418692), (19, 1045352), (22, 902804), (28, 709346), (38, 522676), (44, 451402), (56, 354673), (76, 261338), (77, 257944), (88, 225701), (133, 149336), (152, 130669), (154, 128972), (209, 95032), (266, 74668), (308, 64486), (418, 47516), (532, 37334), (616, 32243), (836, 23758), (1064, 18667), (1463, 13576), (1672, 11879), (1697, 11704), (2926, 6788), (3394, 5852)]