18208498

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 18655502

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 127, 133, 154, 209, 254, 266, 343, 418, 539, 686, 889, 931, 1078, 1397, 1463, 1778, 1862, 2413, 2794, 2926, 3773, 4826, 6223, 6517, 7546, 9779, 10241, 12446, 13034, 16891, 19558, 20482, 26543, 33782, 43561, 53086, 68453, 71687, 87122, 118237, 136906, 143374, 185801, 236474, 371602, 479171, 827659, 958342, 1300607, 1655318, 2601214, 9104249, 18208498]

約数ペア:

[(1, 18208498), (2, 9104249), (7, 2601214), (11, 1655318), (14, 1300607), (19, 958342), (22, 827659), (38, 479171), (49, 371602), (77, 236474), (98, 185801), (127, 143374), (133, 136906), (154, 118237), (209, 87122), (254, 71687), (266, 68453), (343, 53086), (418, 43561), (539, 33782), (686, 26543), (889, 20482), (931, 19558), (1078, 16891), (1397, 13034), (1463, 12446), (1778, 10241), (1862, 9779), (2413, 7546), (2794, 6517), (2926, 6223), (3773, 4826)]