18974178

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 24006942

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 163, 174, 223, 261, 326, 446, 489, 522, 669, 978, 1338, 1467, 2007, 2934, 4014, 4727, 6467, 9454, 12934, 14181, 19401, 28362, 36349, 38802, 42543, 58203, 72698, 85086, 109047, 116406, 218094, 327141, 654282, 1054121, 2108242, 3162363, 6324726, 9487089, 18974178]

約数ペア:

[(1, 18974178), (2, 9487089), (3, 6324726), (6, 3162363), (9, 2108242), (18, 1054121), (29, 654282), (58, 327141), (87, 218094), (163, 116406), (174, 109047), (223, 85086), (261, 72698), (326, 58203), (446, 42543), (489, 38802), (522, 36349), (669, 28362), (978, 19401), (1338, 14181), (1467, 12934), (2007, 9454), (2934, 6467), (4014, 4727)]