19711968

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 35808672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 101, 107, 114, 152, 202, 214, 228, 303, 304, 321, 404, 428, 456, 606, 608, 642, 808, 856, 912, 1212, 1284, 1616, 1712, 1824, 1919, 2033, 2424, 2568, 3232, 3424, 3838, 4066, 4848, 5136, 5757, 6099, 7676, 8132, 9696, 10272, 10807, 11514, 12198, 15352, 16264, 21614, 23028, 24396, 30704, 32421, 32528, 43228, 46056, 48792, 61408, 64842, 65056, 86456, 92112, 97584, 129684, 172912, 184224, 195168, 205333, 259368, 345824, 410666, 518736, 615999, 821332, 1037472, 1231998, 1642664, 2463996, 3285328, 4927992, 6570656, 9855984, 19711968]

約数ペア:

[(1, 19711968), (2, 9855984), (3, 6570656), (4, 4927992), (6, 3285328), (8, 2463996), (12, 1642664), (16, 1231998), (19, 1037472), (24, 821332), (32, 615999), (38, 518736), (48, 410666), (57, 345824), (76, 259368), (96, 205333), (101, 195168), (107, 184224), (114, 172912), (152, 129684), (202, 97584), (214, 92112), (228, 86456), (303, 65056), (304, 64842), (321, 61408), (404, 48792), (428, 46056), (456, 43228), (606, 32528), (608, 32421), (642, 30704), (808, 24396), (856, 23028), (912, 21614), (1212, 16264), (1284, 15352), (1616, 12198), (1712, 11514), (1824, 10807), (1919, 10272), (2033, 9696), (2424, 8132), (2568, 7676), (3232, 6099), (3424, 5757), (3838, 5136), (4066, 4848)]