18818388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 51046632

約数和(自身を除く): 32228244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 204, 291, 306, 317, 388, 582, 612, 634, 873, 951, 1164, 1268, 1649, 1746, 1902, 2853, 3298, 3492, 3804, 4947, 5389, 5706, 6596, 9894, 10778, 11412, 14841, 16167, 19788, 21556, 29682, 30749, 32334, 48501, 59364, 61498, 64668, 92247, 97002, 122996, 184494, 194004, 276741, 368988, 522733, 553482, 1045466, 1106964, 1568199, 2090932, 3136398, 4704597, 6272796, 9409194, 18818388]

約数ペア:

[(1, 18818388), (2, 9409194), (3, 6272796), (4, 4704597), (6, 3136398), (9, 2090932), (12, 1568199), (17, 1106964), (18, 1045466), (34, 553482), (36, 522733), (51, 368988), (68, 276741), (97, 194004), (102, 184494), (153, 122996), (194, 97002), (204, 92247), (291, 64668), (306, 61498), (317, 59364), (388, 48501), (582, 32334), (612, 30749), (634, 29682), (873, 21556), (951, 19788), (1164, 16167), (1268, 14841), (1649, 11412), (1746, 10778), (1902, 9894), (2853, 6596), (3298, 5706), (3492, 5389), (3804, 4947)]