18278494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 31409280

約数和(自身を除く): 13130786

約数列:

[1, 2, 13, 19, 26, 38, 163, 227, 247, 326, 454, 494, 2119, 2951, 3097, 4238, 4313, 5902, 6194, 8626, 37001, 40261, 56069, 74002, 80522, 112138, 481013, 703019, 962026, 1406038, 9139247, 18278494]

約数ペア:

[(1, 18278494), (2, 9139247), (13, 1406038), (19, 962026), (26, 703019), (38, 481013), (163, 112138), (227, 80522), (247, 74002), (326, 56069), (454, 40261), (494, 37001), (2119, 8626), (2951, 6194), (3097, 5902), (4238, 4313)]