19818844558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{26731}}^1$

素因数の和:27040

約数の個数: 32

約数和(自身を含む): 31757616000

約数和(自身を除く): 11938771442

約数列:

[1, 2, 19, 38, 109, 179, 218, 358, 2071, 3401, 4142, 6802, 19511, 26731, 39022, 53462, 370709, 507889, 741418, 1015778, 2913679, 4784849, 5827358, 9569698, 55359901, 90912131, 110719802, 181824262, 521548541, 1043097082, 9909422279, 19818844558]

約数ペア:

[(1, 19818844558), (2, 9909422279), (19, 1043097082), (38, 521548541), (109, 181824262), (179, 110719802), (218, 90912131), (358, 55359901), (2071, 9569698), (3401, 5827358), (4142, 4784849), (6802, 2913679), (19511, 1015778), (26731, 741418), (39022, 507889), (53462, 370709)]