19770456

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 33728424

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 47, 51, 68, 94, 102, 136, 141, 188, 204, 282, 376, 408, 564, 799, 1031, 1128, 1598, 2062, 2397, 3093, 3196, 4124, 4794, 6186, 6392, 8248, 9588, 12372, 17527, 19176, 24744, 35054, 48457, 52581, 70108, 96914, 105162, 140216, 145371, 193828, 210324, 290742, 387656, 420648, 581484, 823769, 1162968, 1647538, 2471307, 3295076, 4942614, 6590152, 9885228, 19770456]

約数ペア:

[(1, 19770456), (2, 9885228), (3, 6590152), (4, 4942614), (6, 3295076), (8, 2471307), (12, 1647538), (17, 1162968), (24, 823769), (34, 581484), (47, 420648), (51, 387656), (68, 290742), (94, 210324), (102, 193828), (136, 145371), (141, 140216), (188, 105162), (204, 96914), (282, 70108), (376, 52581), (408, 48457), (564, 35054), (799, 24744), (1031, 19176), (1128, 17527), (1598, 12372), (2062, 9588), (2397, 8248), (3093, 6392), (3196, 6186), (4124, 4794)]