18762516

素因数分解:

$2^2\times 3^5\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 49940800

約数和(自身を除く): 31178284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 199, 243, 291, 324, 388, 398, 486, 582, 597, 796, 873, 972, 1164, 1194, 1746, 1791, 2388, 2619, 3492, 3582, 5238, 5373, 7164, 7857, 10476, 10746, 15714, 16119, 19303, 21492, 23571, 31428, 32238, 38606, 47142, 48357, 57909, 64476, 77212, 94284, 96714, 115818, 173727, 193428, 231636, 347454, 521181, 694908, 1042362, 1563543, 2084724, 3127086, 4690629, 6254172, 9381258, 18762516]

約数ペア:

[(1, 18762516), (2, 9381258), (3, 6254172), (4, 4690629), (6, 3127086), (9, 2084724), (12, 1563543), (18, 1042362), (27, 694908), (36, 521181), (54, 347454), (81, 231636), (97, 193428), (108, 173727), (162, 115818), (194, 96714), (199, 94284), (243, 77212), (291, 64476), (324, 57909), (388, 48357), (398, 47142), (486, 38606), (582, 32238), (597, 31428), (796, 23571), (873, 21492), (972, 19303), (1164, 16119), (1194, 15714), (1746, 10746), (1791, 10476), (2388, 7857), (2619, 7164), (3492, 5373), (3582, 5238)]