1888891438

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{320477}}^1$

素因数の和:320907

約数の個数: 16

約数和(自身を含む): 3245801184

約数和(自身を除く): 1356909746

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 320477, 640954, 2243339, 4486678, 134920817, 269841634, 944445719, 1888891438]

約数ペア:

[(1, 1888891438), (2, 944445719), (7, 269841634), (14, 134920817), (421, 4486678), (842, 2243339), (2947, 640954), (5894, 320477)]