18464776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 39890880

約数和(自身を除く): 21426104

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 53, 74, 88, 106, 107, 148, 212, 214, 296, 407, 424, 428, 583, 814, 856, 1166, 1177, 1628, 1961, 2332, 2354, 3256, 3922, 3959, 4664, 4708, 5671, 7844, 7918, 9416, 11342, 15688, 15836, 21571, 22684, 31672, 43142, 43549, 45368, 62381, 86284, 87098, 124762, 172568, 174196, 209827, 249524, 348392, 419654, 499048, 839308, 1678616, 2308097, 4616194, 9232388, 18464776]

約数ペア:

[(1, 18464776), (2, 9232388), (4, 4616194), (8, 2308097), (11, 1678616), (22, 839308), (37, 499048), (44, 419654), (53, 348392), (74, 249524), (88, 209827), (106, 174196), (107, 172568), (148, 124762), (212, 87098), (214, 86284), (296, 62381), (407, 45368), (424, 43549), (428, 43142), (583, 31672), (814, 22684), (856, 21571), (1166, 15836), (1177, 15688), (1628, 11342), (1961, 9416), (2332, 7918), (2354, 7844), (3256, 5671), (3922, 4708), (3959, 4664)]