19298936

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 37363680

約数和(自身を除く): 18064744

約数列:

[1, 2, 4, 8, 61, 71, 122, 142, 244, 284, 488, 557, 568, 1114, 2228, 4331, 4456, 8662, 17324, 33977, 34648, 39547, 67954, 79094, 135908, 158188, 271816, 316376, 2412367, 4824734, 9649468, 19298936]

約数ペア:

[(1, 19298936), (2, 9649468), (4, 4824734), (8, 2412367), (61, 316376), (71, 271816), (122, 158188), (142, 135908), (244, 79094), (284, 67954), (488, 39547), (557, 34648), (568, 33977), (1114, 17324), (2228, 8662), (4331, 4456)]