19817388

素因数分解:

$2^2\times 3^2\times {\mathrm{733}}^1\times {\mathrm{751}}^1$

素因数の和:1494

約数の個数: 36

約数和(自身を含む): 50229088

約数和(自身を除く): 30411700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 733, 751, 1466, 1502, 2199, 2253, 2932, 3004, 4398, 4506, 6597, 6759, 8796, 9012, 13194, 13518, 26388, 27036, 550483, 1100966, 1651449, 2201932, 3302898, 4954347, 6605796, 9908694, 19817388]

約数ペア:

[(1, 19817388), (2, 9908694), (3, 6605796), (4, 4954347), (6, 3302898), (9, 2201932), (12, 1651449), (18, 1100966), (36, 550483), (733, 27036), (751, 26388), (1466, 13518), (1502, 13194), (2199, 9012), (2253, 8796), (2932, 6759), (3004, 6597), (4398, 4506)]