18683820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4513}}^1$

素因数の和:4551

約数の個数: 72

約数和(自身を含む): 59151456

約数和(自身を除く): 40467636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4513, 9026, 13539, 18052, 22565, 27078, 40617, 45130, 54156, 67695, 81234, 90260, 103799, 135390, 162468, 203085, 207598, 270780, 311397, 406170, 415196, 518995, 622794, 812340, 934191, 1037990, 1245588, 1556985, 1868382, 2075980, 3113970, 3736764, 4670955, 6227940, 9341910, 18683820]

約数ペア:

[(1, 18683820), (2, 9341910), (3, 6227940), (4, 4670955), (5, 3736764), (6, 3113970), (9, 2075980), (10, 1868382), (12, 1556985), (15, 1245588), (18, 1037990), (20, 934191), (23, 812340), (30, 622794), (36, 518995), (45, 415196), (46, 406170), (60, 311397), (69, 270780), (90, 207598), (92, 203085), (115, 162468), (138, 135390), (180, 103799), (207, 90260), (230, 81234), (276, 67695), (345, 54156), (414, 45130), (460, 40617), (690, 27078), (828, 22565), (1035, 18052), (1380, 13539), (2070, 9026), (4140, 4513)]