18836140

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2971}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 39694032

約数和(自身を除く): 20857892

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 2971, 3170, 5942, 6340, 11884, 14855, 29710, 59420, 941807, 1883614, 3767228, 4709035, 9418070, 18836140]

約数ペア:

[(1, 18836140), (2, 9418070), (4, 4709035), (5, 3767228), (10, 1883614), (20, 941807), (317, 59420), (634, 29710), (1268, 14855), (1585, 11884), (2971, 6340), (3170, 5942)]