19505961

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 30222720

約数和(自身を除く): 10716759

約数列:

[1, 3, 9, 27, 43, 53, 129, 159, 317, 387, 477, 951, 1161, 1431, 2279, 2853, 6837, 8559, 13631, 16801, 20511, 40893, 50403, 61533, 122679, 151209, 368037, 453627, 722443, 2167329, 6501987, 19505961]

約数ペア:

[(1, 19505961), (3, 6501987), (9, 2167329), (27, 722443), (43, 453627), (53, 368037), (129, 151209), (159, 122679), (317, 61533), (387, 50403), (477, 40893), (951, 20511), (1161, 16801), (1431, 13631), (2279, 8559), (2853, 6837)]