19770127

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 23189760

約数和(自身を除く): 3419633

約数列:

[1, 13, 19, 47, 131, 169, 247, 611, 893, 1703, 2489, 3211, 6157, 7943, 11609, 22139, 32357, 80041, 116983, 150917, 420641, 1040533, 1520779, 19770127]

約数ペア:

[(1, 19770127), (13, 1520779), (19, 1040533), (47, 420641), (131, 150917), (169, 116983), (247, 80041), (611, 32357), (893, 22139), (1703, 11609), (2489, 7943), (3211, 6157)]