17960826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{563}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 38848320

約数和(自身を除く): 20887494

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 563, 818, 1126, 1227, 1689, 2454, 3378, 5317, 7319, 10634, 14638, 15951, 21957, 31902, 43914, 230267, 460534, 690801, 1381602, 2993471, 5986942, 8980413, 17960826]

約数ペア:

[(1, 17960826), (2, 8980413), (3, 5986942), (6, 2993471), (13, 1381602), (26, 690801), (39, 460534), (78, 230267), (409, 43914), (563, 31902), (818, 21957), (1126, 15951), (1227, 14638), (1689, 10634), (2454, 7319), (3378, 5317)]