18651516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 49989744

約数和(自身を除く): 31338228

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 169, 204, 221, 338, 442, 507, 541, 663, 676, 884, 1014, 1082, 1326, 1623, 2028, 2164, 2652, 2873, 3246, 5746, 6492, 7033, 8619, 9197, 11492, 14066, 17238, 18394, 21099, 27591, 28132, 34476, 36788, 42198, 55182, 84396, 91429, 110364, 119561, 182858, 239122, 274287, 358683, 365716, 478244, 548574, 717366, 1097148, 1434732, 1554293, 3108586, 4662879, 6217172, 9325758, 18651516]

約数ペア:

[(1, 18651516), (2, 9325758), (3, 6217172), (4, 4662879), (6, 3108586), (12, 1554293), (13, 1434732), (17, 1097148), (26, 717366), (34, 548574), (39, 478244), (51, 365716), (52, 358683), (68, 274287), (78, 239122), (102, 182858), (156, 119561), (169, 110364), (204, 91429), (221, 84396), (338, 55182), (442, 42198), (507, 36788), (541, 34476), (663, 28132), (676, 27591), (884, 21099), (1014, 18394), (1082, 17238), (1326, 14066), (1623, 11492), (2028, 9197), (2164, 8619), (2652, 7033), (2873, 6492), (3246, 5746)]