19979568

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6607}}^1$

素因数の和:6631

約数の個数: 80

約数和(自身を含む): 65551360

約数和(自身を除く): 45571792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6607, 13214, 19821, 26428, 39642, 46249, 52856, 59463, 79284, 92498, 105712, 118926, 138747, 158568, 178389, 184996, 237852, 277494, 317136, 356778, 369992, 416241, 475704, 554988, 713556, 739984, 832482, 951408, 1109976, 1248723, 1427112, 1664964, 2219952, 2497446, 2854224, 3329928, 4994892, 6659856, 9989784, 19979568]

約数ペア:

[(1, 19979568), (2, 9989784), (3, 6659856), (4, 4994892), (6, 3329928), (7, 2854224), (8, 2497446), (9, 2219952), (12, 1664964), (14, 1427112), (16, 1248723), (18, 1109976), (21, 951408), (24, 832482), (27, 739984), (28, 713556), (36, 554988), (42, 475704), (48, 416241), (54, 369992), (56, 356778), (63, 317136), (72, 277494), (84, 237852), (108, 184996), (112, 178389), (126, 158568), (144, 138747), (168, 118926), (189, 105712), (216, 92498), (252, 79284), (336, 59463), (378, 52856), (432, 46249), (504, 39642), (756, 26428), (1008, 19821), (1512, 13214), (3024, 6607)]