18619874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 15974686

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 263, 389, 526, 778, 1841, 2723, 3419, 3682, 5057, 5446, 6838, 10114, 23933, 35399, 47866, 70798, 102307, 204614, 716149, 1329991, 1432298, 2659982, 9309937, 18619874]

約数ペア:

[(1, 18619874), (2, 9309937), (7, 2659982), (13, 1432298), (14, 1329991), (26, 716149), (91, 204614), (182, 102307), (263, 70798), (389, 47866), (526, 35399), (778, 23933), (1841, 10114), (2723, 6838), (3419, 5446), (3682, 5057)]