16018940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3691}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 39696384

約数和(自身を除く): 23677444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3691, 4340, 7382, 14764, 18455, 25837, 36910, 51674, 73820, 103348, 114421, 129185, 228842, 258370, 457684, 516740, 572105, 800947, 1144210, 1601894, 2288420, 3203788, 4004735, 8009470, 16018940]

約数ペア:

[(1, 16018940), (2, 8009470), (4, 4004735), (5, 3203788), (7, 2288420), (10, 1601894), (14, 1144210), (20, 800947), (28, 572105), (31, 516740), (35, 457684), (62, 258370), (70, 228842), (124, 129185), (140, 114421), (155, 103348), (217, 73820), (310, 51674), (434, 36910), (620, 25837), (868, 18455), (1085, 14764), (2170, 7382), (3691, 4340)]