17969999874

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 36727603200

約数和(自身を除く): 18757603326

約数列:

[1, 2, 3, 6, 127, 149, 163, 254, 298, 326, 381, 447, 489, 762, 894, 971, 978, 1942, 2913, 5826, 18923, 20701, 24287, 37846, 41402, 48574, 56769, 62103, 72861, 113538, 123317, 124206, 144679, 145722, 158273, 246634, 289358, 316546, 369951, 434037, 474819, 739902, 868074, 949638, 3084449, 6168898, 9253347, 18374233, 18506694, 20100671, 23582677, 36748466, 40201342, 47165354, 55122699, 60302013, 70748031, 110245398, 120604026, 141496062, 2994999979, 5989999958, 8984999937, 17969999874]

約数ペア:

[(1, 17969999874), (2, 8984999937), (3, 5989999958), (6, 2994999979), (127, 141496062), (149, 120604026), (163, 110245398), (254, 70748031), (298, 60302013), (326, 55122699), (381, 47165354), (447, 40201342), (489, 36748466), (762, 23582677), (894, 20100671), (971, 18506694), (978, 18374233), (1942, 9253347), (2913, 6168898), (5826, 3084449), (18923, 949638), (20701, 868074), (24287, 739902), (37846, 474819), (41402, 434037), (48574, 369951), (56769, 316546), (62103, 289358), (72861, 246634), (113538, 158273), (123317, 145722), (124206, 144679)]