19339280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2347}}^1$

素因数の和:2463

約数の個数: 40

約数和(自身を含む): 45419712

約数和(自身を除く): 26080432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2347, 4120, 4694, 8240, 9388, 11735, 18776, 23470, 37552, 46940, 93880, 187760, 241741, 483482, 966964, 1208705, 1933928, 2417410, 3867856, 4834820, 9669640, 19339280]

約数ペア:

[(1, 19339280), (2, 9669640), (4, 4834820), (5, 3867856), (8, 2417410), (10, 1933928), (16, 1208705), (20, 966964), (40, 483482), (80, 241741), (103, 187760), (206, 93880), (412, 46940), (515, 37552), (824, 23470), (1030, 18776), (1648, 11735), (2060, 9388), (2347, 8240), (4120, 4694)]