18857994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3847}}^1$

素因数の和:3914

約数の個数: 32

約数和(自身を含む): 40634880

約数和(自身を除く): 21776886

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 3847, 4902, 7694, 11541, 23082, 73093, 146186, 165421, 219279, 330842, 438558, 496263, 992526, 3142999, 6285998, 9428997, 18857994]

約数ペア:

[(1, 18857994), (2, 9428997), (3, 6285998), (6, 3142999), (19, 992526), (38, 496263), (43, 438558), (57, 330842), (86, 219279), (114, 165421), (129, 146186), (258, 73093), (817, 23082), (1634, 11541), (2451, 7694), (3847, 4902)]