18359890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 35303040

約数和(自身を除く): 16943150

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 1361, 2698, 2722, 6745, 6805, 13490, 13610, 25859, 51718, 96631, 129295, 193262, 258590, 483155, 966310, 1835989, 3671978, 9179945, 18359890]

約数ペア:

[(1, 18359890), (2, 9179945), (5, 3671978), (10, 1835989), (19, 966310), (38, 483155), (71, 258590), (95, 193262), (142, 129295), (190, 96631), (355, 51718), (710, 25859), (1349, 13610), (1361, 13490), (2698, 6805), (2722, 6745)]