19752458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2239}}^1$

素因数の和:2653

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 12664822

約数列:

[1, 2, 11, 22, 401, 802, 2239, 4411, 4478, 8822, 24629, 49258, 897839, 1795678, 9876229, 19752458]

約数ペア:

[(1, 19752458), (2, 9876229), (11, 1795678), (22, 897839), (401, 49258), (802, 24629), (2239, 8822), (4411, 4478)]