18898070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 16456810

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 619, 710, 1238, 3053, 3095, 6106, 6190, 15265, 26617, 30530, 43949, 53234, 87898, 133085, 219745, 266170, 439490, 1889807, 3779614, 9449035, 18898070]

約数ペア:

[(1, 18898070), (2, 9449035), (5, 3779614), (10, 1889807), (43, 439490), (71, 266170), (86, 219745), (142, 133085), (215, 87898), (355, 53234), (430, 43949), (619, 30530), (710, 26617), (1238, 15265), (3053, 6190), (3095, 6106)]