18136426

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 18358934

約数列:

[1, 2, 7, 11, 14, 22, 29, 31, 58, 62, 77, 131, 154, 203, 217, 262, 319, 341, 406, 434, 638, 682, 899, 917, 1441, 1798, 1834, 2233, 2387, 2882, 3799, 4061, 4466, 4774, 6293, 7598, 8122, 9889, 10087, 12586, 19778, 20174, 26593, 28427, 41789, 44671, 53186, 56854, 69223, 83578, 89342, 117769, 138446, 235538, 292523, 312697, 585046, 625394, 824383, 1295459, 1648766, 2590918, 9068213, 18136426]

約数ペア:

[(1, 18136426), (2, 9068213), (7, 2590918), (11, 1648766), (14, 1295459), (22, 824383), (29, 625394), (31, 585046), (58, 312697), (62, 292523), (77, 235538), (131, 138446), (154, 117769), (203, 89342), (217, 83578), (262, 69223), (319, 56854), (341, 53186), (406, 44671), (434, 41789), (638, 28427), (682, 26593), (899, 20174), (917, 19778), (1441, 12586), (1798, 10087), (1834, 9889), (2233, 8122), (2387, 7598), (2882, 6293), (3799, 4774), (4061, 4466)]