19640064

素因数分解:

$2^8\times 3^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 52980480

約数和(自身を除く): 33340416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 239, 256, 321, 384, 428, 478, 642, 717, 768, 856, 956, 1284, 1434, 1712, 1912, 2568, 2868, 3424, 3824, 5136, 5736, 6848, 7648, 10272, 11472, 13696, 15296, 20544, 22944, 25573, 27392, 30592, 41088, 45888, 51146, 61184, 76719, 82176, 91776, 102292, 153438, 183552, 204584, 306876, 409168, 613752, 818336, 1227504, 1636672, 2455008, 3273344, 4910016, 6546688, 9820032, 19640064]

約数ペア:

[(1, 19640064), (2, 9820032), (3, 6546688), (4, 4910016), (6, 3273344), (8, 2455008), (12, 1636672), (16, 1227504), (24, 818336), (32, 613752), (48, 409168), (64, 306876), (96, 204584), (107, 183552), (128, 153438), (192, 102292), (214, 91776), (239, 82176), (256, 76719), (321, 61184), (384, 51146), (428, 45888), (478, 41088), (642, 30592), (717, 27392), (768, 25573), (856, 22944), (956, 20544), (1284, 15296), (1434, 13696), (1712, 11472), (1912, 10272), (2568, 7648), (2868, 6848), (3424, 5736), (3824, 5136)]