18698690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 34990704

約数和(自身を除く): 16292014

約数列:

[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 521, 970, 1042, 2605, 3589, 5210, 7178, 17945, 19277, 35890, 38554, 50537, 96385, 101074, 192770, 252685, 505370, 1869869, 3739738, 9349345, 18698690]

約数ペア:

[(1, 18698690), (2, 9349345), (5, 3739738), (10, 1869869), (37, 505370), (74, 252685), (97, 192770), (185, 101074), (194, 96385), (370, 50537), (485, 38554), (521, 35890), (970, 19277), (1042, 17945), (2605, 7178), (3589, 5210)]