19790720896

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{25903}}^1$

素因数の和:26091

約数の個数: 64

約数和(自身を含む): 40584314880

約数和(自身を除く): 20793593984

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 127, 128, 188, 254, 376, 508, 752, 1016, 1504, 2032, 3008, 4064, 5969, 6016, 8128, 11938, 16256, 23876, 25903, 47752, 51806, 95504, 103612, 191008, 207224, 382016, 414448, 764032, 828896, 1217441, 1657792, 2434882, 3289681, 3315584, 4869764, 6579362, 9739528, 13158724, 19479056, 26317448, 38958112, 52634896, 77916224, 105269792, 154615007, 155832448, 210539584, 309230014, 421079168, 618460028, 1236920056, 2473840112, 4947680224, 9895360448, 19790720896]

約数ペア:

[(1, 19790720896), (2, 9895360448), (4, 4947680224), (8, 2473840112), (16, 1236920056), (32, 618460028), (47, 421079168), (64, 309230014), (94, 210539584), (127, 155832448), (128, 154615007), (188, 105269792), (254, 77916224), (376, 52634896), (508, 38958112), (752, 26317448), (1016, 19479056), (1504, 13158724), (2032, 9739528), (3008, 6579362), (4064, 4869764), (5969, 3315584), (6016, 3289681), (8128, 2434882), (11938, 1657792), (16256, 1217441), (23876, 828896), (25903, 764032), (47752, 414448), (51806, 382016), (95504, 207224), (103612, 191008)]