30989988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{45307}}^1$

素因数の和:45336

約数の個数: 36

約数和(自身を含む): 82460560

約数和(自身を除く): 51470572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 45307, 90614, 135921, 181228, 271842, 407763, 543684, 815526, 860833, 1631052, 1721666, 2582499, 3443332, 5164998, 7747497, 10329996, 15494994, 30989988]

約数ペア:

[(1, 30989988), (2, 15494994), (3, 10329996), (4, 7747497), (6, 5164998), (9, 3443332), (12, 2582499), (18, 1721666), (19, 1631052), (36, 860833), (38, 815526), (57, 543684), (76, 407763), (114, 271842), (171, 181228), (228, 135921), (342, 90614), (684, 45307)]