19948727184

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{76103}}^1$

素因数の和:76284

約数の個数: 80

約数和(自身を含む): 53148598272

約数和(自身を除く): 33199871088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 127, 129, 172, 254, 258, 344, 381, 508, 516, 688, 762, 1016, 1032, 1524, 2032, 2064, 3048, 5461, 6096, 10922, 16383, 21844, 32766, 43688, 65532, 76103, 87376, 131064, 152206, 228309, 262128, 304412, 456618, 608824, 913236, 1217648, 1826472, 3272429, 3652944, 6544858, 9665081, 9817287, 13089716, 19330162, 19634574, 26179432, 28995243, 38660324, 39269148, 52358864, 57990486, 77320648, 78538296, 115980972, 154641296, 157076592, 231961944, 415598483, 463923888, 831196966, 1246795449, 1662393932, 2493590898, 3324787864, 4987181796, 6649575728, 9974363592, 19948727184]

約数ペア:

[(1, 19948727184), (2, 9974363592), (3, 6649575728), (4, 4987181796), (6, 3324787864), (8, 2493590898), (12, 1662393932), (16, 1246795449), (24, 831196966), (43, 463923888), (48, 415598483), (86, 231961944), (127, 157076592), (129, 154641296), (172, 115980972), (254, 78538296), (258, 77320648), (344, 57990486), (381, 52358864), (508, 39269148), (516, 38660324), (688, 28995243), (762, 26179432), (1016, 19634574), (1032, 19330162), (1524, 13089716), (2032, 9817287), (2064, 9665081), (3048, 6544858), (5461, 3652944), (6096, 3272429), (10922, 1826472), (16383, 1217648), (21844, 913236), (32766, 608824), (43688, 456618), (65532, 304412), (76103, 262128), (87376, 228309), (131064, 152206)]