18644912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 44059680

約数和(自身を除く): 25414768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 281, 286, 319, 377, 464, 562, 572, 638, 754, 1124, 1144, 1276, 1508, 2248, 2288, 2552, 3016, 3091, 3653, 4147, 4496, 5104, 6032, 6182, 7306, 8149, 8294, 12364, 14612, 16298, 16588, 24728, 29224, 32596, 33176, 40183, 49456, 58448, 65192, 66352, 80366, 89639, 105937, 130384, 160732, 179278, 211874, 321464, 358556, 423748, 642928, 717112, 847496, 1165307, 1434224, 1694992, 2330614, 4661228, 9322456, 18644912]

約数ペア:

[(1, 18644912), (2, 9322456), (4, 4661228), (8, 2330614), (11, 1694992), (13, 1434224), (16, 1165307), (22, 847496), (26, 717112), (29, 642928), (44, 423748), (52, 358556), (58, 321464), (88, 211874), (104, 179278), (116, 160732), (143, 130384), (176, 105937), (208, 89639), (232, 80366), (281, 66352), (286, 65192), (319, 58448), (377, 49456), (464, 40183), (562, 33176), (572, 32596), (638, 29224), (754, 24728), (1124, 16588), (1144, 16298), (1276, 14612), (1508, 12364), (2248, 8294), (2288, 8149), (2552, 7306), (3016, 6182), (3091, 6032), (3653, 5104), (4147, 4496)]