18920748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20477}}^1$

素因数の和:20502

約数の個数: 48

約数和(自身を含む): 55044864

約数和(自身を除く): 36124116

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20477, 40954, 61431, 81908, 122862, 143339, 225247, 245724, 286678, 430017, 450494, 573356, 675741, 860034, 900988, 1351482, 1576729, 1720068, 2702964, 3153458, 4730187, 6306916, 9460374, 18920748]

約数ペア:

[(1, 18920748), (2, 9460374), (3, 6306916), (4, 4730187), (6, 3153458), (7, 2702964), (11, 1720068), (12, 1576729), (14, 1351482), (21, 900988), (22, 860034), (28, 675741), (33, 573356), (42, 450494), (44, 430017), (66, 286678), (77, 245724), (84, 225247), (132, 143339), (154, 122862), (231, 81908), (308, 61431), (462, 40954), (924, 20477)]