19171460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 51287040

約数和(自身を除く): 32115580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 77, 110, 118, 140, 154, 211, 220, 236, 295, 308, 385, 413, 422, 590, 649, 770, 826, 844, 1055, 1180, 1298, 1477, 1540, 1652, 2065, 2110, 2321, 2596, 2954, 3245, 4130, 4220, 4543, 4642, 5908, 6490, 7385, 8260, 9086, 9284, 11605, 12449, 12980, 14770, 16247, 18172, 22715, 23210, 24898, 29540, 32494, 45430, 46420, 49796, 62245, 64988, 81235, 87143, 90860, 124490, 136939, 162470, 174286, 248980, 273878, 324940, 348572, 435715, 547756, 684695, 871430, 958573, 1369390, 1742860, 1917146, 2738780, 3834292, 4792865, 9585730, 19171460]

約数ペア:

[(1, 19171460), (2, 9585730), (4, 4792865), (5, 3834292), (7, 2738780), (10, 1917146), (11, 1742860), (14, 1369390), (20, 958573), (22, 871430), (28, 684695), (35, 547756), (44, 435715), (55, 348572), (59, 324940), (70, 273878), (77, 248980), (110, 174286), (118, 162470), (140, 136939), (154, 124490), (211, 90860), (220, 87143), (236, 81235), (295, 64988), (308, 62245), (385, 49796), (413, 46420), (422, 45430), (590, 32494), (649, 29540), (770, 24898), (826, 23210), (844, 22715), (1055, 18172), (1180, 16247), (1298, 14770), (1477, 12980), (1540, 12449), (1652, 11605), (2065, 9284), (2110, 9086), (2321, 8260), (2596, 7385), (2954, 6490), (3245, 5908), (4130, 4642), (4220, 4543)]