18143468

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 37895424

約数和(自身を除く): 19751956

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 83, 148, 166, 211, 259, 332, 422, 518, 581, 844, 1036, 1162, 1477, 2324, 2954, 3071, 5908, 6142, 7807, 12284, 15614, 17513, 21497, 31228, 35026, 42994, 54649, 70052, 85988, 109298, 122591, 218596, 245182, 490364, 647981, 1295962, 2591924, 4535867, 9071734, 18143468]

約数ペア:

[(1, 18143468), (2, 9071734), (4, 4535867), (7, 2591924), (14, 1295962), (28, 647981), (37, 490364), (74, 245182), (83, 218596), (148, 122591), (166, 109298), (211, 85988), (259, 70052), (332, 54649), (422, 42994), (518, 35026), (581, 31228), (844, 21497), (1036, 17513), (1162, 15614), (1477, 12284), (2324, 7807), (2954, 6142), (3071, 5908)]