19369660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7393}}^1$

素因数の和:7533

約数の個数: 24

約数和(自身を含む): 40992336

約数和(自身を除く): 21622676

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7393, 14786, 29572, 36965, 73930, 147860, 968483, 1936966, 3873932, 4842415, 9684830, 19369660]

約数ペア:

[(1, 19369660), (2, 9684830), (4, 4842415), (5, 3873932), (10, 1936966), (20, 968483), (131, 147860), (262, 73930), (524, 36965), (655, 29572), (1310, 14786), (2620, 7393)]