19726168

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 47646720

約数和(自身を除く): 27920552

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1033, 1364, 1736, 2066, 2387, 2728, 4132, 4774, 7231, 8264, 9548, 11363, 14462, 19096, 22726, 28924, 32023, 45452, 57848, 64046, 79541, 90904, 128092, 159082, 224161, 256184, 318164, 352253, 448322, 636328, 704506, 896644, 1409012, 1793288, 2465771, 2818024, 4931542, 9863084, 19726168]

約数ペア:

[(1, 19726168), (2, 9863084), (4, 4931542), (7, 2818024), (8, 2465771), (11, 1793288), (14, 1409012), (22, 896644), (28, 704506), (31, 636328), (44, 448322), (56, 352253), (62, 318164), (77, 256184), (88, 224161), (124, 159082), (154, 128092), (217, 90904), (248, 79541), (308, 64046), (341, 57848), (434, 45452), (616, 32023), (682, 28924), (868, 22726), (1033, 19096), (1364, 14462), (1736, 11363), (2066, 9548), (2387, 8264), (2728, 7231), (4132, 4774)]