18619140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8387}}^1$

素因数の和:8436

約数の個数: 48

約数和(自身を含む): 53548992

約数和(自身を除く): 34929852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8387, 16774, 25161, 33548, 41935, 50322, 83870, 100644, 125805, 167740, 251610, 310319, 503220, 620638, 930957, 1241276, 1551595, 1861914, 3103190, 3723828, 4654785, 6206380, 9309570, 18619140]

約数ペア:

[(1, 18619140), (2, 9309570), (3, 6206380), (4, 4654785), (5, 3723828), (6, 3103190), (10, 1861914), (12, 1551595), (15, 1241276), (20, 930957), (30, 620638), (37, 503220), (60, 310319), (74, 251610), (111, 167740), (148, 125805), (185, 100644), (222, 83870), (370, 50322), (444, 41935), (555, 33548), (740, 25161), (1110, 16774), (2220, 8387)]