18980468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19211}}^1$

素因数の和:19247

約数の個数: 24

約数和(自身を含む): 37655520

約数和(自身を除く): 18675052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19211, 38422, 76844, 249743, 365009, 499486, 730018, 998972, 1460036, 4745117, 9490234, 18980468]

約数ペア:

[(1, 18980468), (2, 9490234), (4, 4745117), (13, 1460036), (19, 998972), (26, 730018), (38, 499486), (52, 365009), (76, 249743), (247, 76844), (494, 38422), (988, 19211)]