17420418

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 39289536

約数和(自身を除く): 21869118

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 317, 387, 426, 634, 639, 774, 951, 1278, 1902, 2853, 3053, 5706, 6106, 9159, 13631, 18318, 22507, 27262, 27477, 40893, 45014, 54954, 67521, 81786, 122679, 135042, 202563, 245358, 405126, 967801, 1935602, 2903403, 5806806, 8710209, 17420418]

約数ペア:

[(1, 17420418), (2, 8710209), (3, 5806806), (6, 2903403), (9, 1935602), (18, 967801), (43, 405126), (71, 245358), (86, 202563), (129, 135042), (142, 122679), (213, 81786), (258, 67521), (317, 54954), (387, 45014), (426, 40893), (634, 27477), (639, 27262), (774, 22507), (951, 18318), (1278, 13631), (1902, 9159), (2853, 6106), (3053, 5706)]