1900953019

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{8761}}^1$

素因数の和:9130

約数の個数: 16

約数和(自身を含む): 2198210560

約数和(自身を除く): 297257541

約数列:

[1, 7, 139, 223, 973, 1561, 8761, 30997, 61327, 216979, 1217779, 1953703, 8524453, 13675921, 271564717, 1900953019]

約数ペア:

[(1, 1900953019), (7, 271564717), (139, 13675921), (223, 8524453), (973, 1953703), (1561, 1217779), (8761, 216979), (30997, 61327)]