18667792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 25079408

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 199, 208, 286, 328, 398, 451, 533, 572, 656, 796, 902, 1066, 1144, 1592, 1804, 2132, 2189, 2288, 2587, 3184, 3608, 4264, 4378, 5174, 5863, 7216, 8159, 8528, 8756, 10348, 11726, 16318, 17512, 20696, 23452, 28457, 32636, 35024, 41392, 46904, 56914, 65272, 89749, 93808, 106067, 113828, 130544, 179498, 212134, 227656, 358996, 424268, 455312, 717992, 848536, 1166737, 1435984, 1697072, 2333474, 4666948, 9333896, 18667792]

約数ペア:

[(1, 18667792), (2, 9333896), (4, 4666948), (8, 2333474), (11, 1697072), (13, 1435984), (16, 1166737), (22, 848536), (26, 717992), (41, 455312), (44, 424268), (52, 358996), (82, 227656), (88, 212134), (104, 179498), (143, 130544), (164, 113828), (176, 106067), (199, 93808), (208, 89749), (286, 65272), (328, 56914), (398, 46904), (451, 41392), (533, 35024), (572, 32636), (656, 28457), (796, 23452), (902, 20696), (1066, 17512), (1144, 16318), (1592, 11726), (1804, 10348), (2132, 8756), (2189, 8528), (2288, 8159), (2587, 7216), (3184, 5863), (3608, 5174), (4264, 4378)]