19940484

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 48382208

約数和(自身を除く): 28441724

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 97, 111, 148, 194, 222, 291, 388, 444, 463, 582, 926, 1164, 1389, 1852, 2778, 3589, 5556, 7178, 10767, 14356, 17131, 21534, 34262, 43068, 44911, 51393, 68524, 89822, 102786, 134733, 179644, 205572, 269466, 538932, 1661707, 3323414, 4985121, 6646828, 9970242, 19940484]

約数ペア:

[(1, 19940484), (2, 9970242), (3, 6646828), (4, 4985121), (6, 3323414), (12, 1661707), (37, 538932), (74, 269466), (97, 205572), (111, 179644), (148, 134733), (194, 102786), (222, 89822), (291, 68524), (388, 51393), (444, 44911), (463, 43068), (582, 34262), (926, 21534), (1164, 17131), (1389, 14356), (1852, 10767), (2778, 7178), (3589, 5556)]