19715008

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:585

約数の個数: 56

約数和(自身を含む): 42590720

約数和(自身を除く): 22875712

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 523, 589, 608, 992, 1046, 1178, 1216, 1984, 2092, 2356, 4184, 4712, 8368, 9424, 9937, 16213, 16736, 18848, 19874, 32426, 33472, 37696, 39748, 64852, 79496, 129704, 158992, 259408, 308047, 317984, 518816, 616094, 635968, 1037632, 1232188, 2464376, 4928752, 9857504, 19715008]

約数ペア:

[(1, 19715008), (2, 9857504), (4, 4928752), (8, 2464376), (16, 1232188), (19, 1037632), (31, 635968), (32, 616094), (38, 518816), (62, 317984), (64, 308047), (76, 259408), (124, 158992), (152, 129704), (248, 79496), (304, 64852), (496, 39748), (523, 37696), (589, 33472), (608, 32426), (992, 19874), (1046, 18848), (1178, 16736), (1216, 16213), (1984, 9937), (2092, 9424), (2356, 8368), (4184, 4712)]