19794368

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 56

約数和(自身を含む): 44281344

約数和(自身を除く): 24486976

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 907, 992, 1364, 1814, 1984, 2728, 3628, 5456, 7256, 9977, 10912, 14512, 19954, 21824, 28117, 29024, 39908, 56234, 58048, 79816, 112468, 159632, 224936, 309287, 319264, 449872, 618574, 638528, 899744, 1237148, 1799488, 2474296, 4948592, 9897184, 19794368]

約数ペア:

[(1, 19794368), (2, 9897184), (4, 4948592), (8, 2474296), (11, 1799488), (16, 1237148), (22, 899744), (31, 638528), (32, 618574), (44, 449872), (62, 319264), (64, 309287), (88, 224936), (124, 159632), (176, 112468), (248, 79816), (341, 58048), (352, 56234), (496, 39908), (682, 29024), (704, 28117), (907, 21824), (992, 19954), (1364, 14512), (1814, 10912), (1984, 9977), (2728, 7256), (3628, 5456)]