18507540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1783}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 52149888

約数和(自身を除く): 33642348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 1783, 2076, 2595, 3460, 3566, 5190, 5349, 7132, 8915, 10380, 10698, 17830, 21396, 26745, 35660, 53490, 106980, 308459, 616918, 925377, 1233836, 1542295, 1850754, 3084590, 3701508, 4626885, 6169180, 9253770, 18507540]

約数ペア:

[(1, 18507540), (2, 9253770), (3, 6169180), (4, 4626885), (5, 3701508), (6, 3084590), (10, 1850754), (12, 1542295), (15, 1233836), (20, 925377), (30, 616918), (60, 308459), (173, 106980), (346, 53490), (519, 35660), (692, 26745), (865, 21396), (1038, 17830), (1730, 10698), (1783, 10380), (2076, 8915), (2595, 7132), (3460, 5349), (3566, 5190)]