19701902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 33506784

約数和(自身を除く): 13804882

約数列:

[1, 2, 11, 22, 53, 61, 106, 122, 277, 554, 583, 671, 1166, 1342, 3047, 3233, 6094, 6466, 14681, 16897, 29362, 33794, 35563, 71126, 161491, 185867, 322982, 371734, 895541, 1791082, 9850951, 19701902]

約数ペア:

[(1, 19701902), (2, 9850951), (11, 1791082), (22, 895541), (53, 371734), (61, 322982), (106, 185867), (122, 161491), (277, 71126), (554, 35563), (583, 33794), (671, 29362), (1166, 16897), (1342, 14681), (3047, 6466), (3233, 6094)]