9981308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 18696720

約数和(自身を除く): 8715412

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2153, 2318, 4306, 4636, 8612, 40907, 81814, 131333, 163628, 262666, 525332, 2495327, 4990654, 9981308]

約数ペア:

[(1, 9981308), (2, 4990654), (4, 2495327), (19, 525332), (38, 262666), (61, 163628), (76, 131333), (122, 81814), (244, 40907), (1159, 8612), (2153, 4636), (2318, 4306)]