18859120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 54197424

約数和(自身を除く): 35338304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 283, 340, 392, 476, 490, 560, 566, 595, 680, 784, 833, 952, 980, 1132, 1190, 1360, 1415, 1666, 1904, 1960, 1981, 2264, 2380, 2830, 3332, 3920, 3962, 4165, 4528, 4760, 4811, 5660, 6664, 7924, 8330, 9520, 9622, 9905, 11320, 13328, 13867, 15848, 16660, 19244, 19810, 22640, 24055, 27734, 31696, 33320, 33677, 38488, 39620, 48110, 55468, 66640, 67354, 69335, 76976, 79240, 96220, 110936, 134708, 138670, 158480, 168385, 192440, 221872, 235739, 269416, 277340, 336770, 384880, 471478, 538832, 554680, 673540, 942956, 1109360, 1178695, 1347080, 1885912, 2357390, 2694160, 3771824, 4714780, 9429560, 18859120]

約数ペア:

[(1, 18859120), (2, 9429560), (4, 4714780), (5, 3771824), (7, 2694160), (8, 2357390), (10, 1885912), (14, 1347080), (16, 1178695), (17, 1109360), (20, 942956), (28, 673540), (34, 554680), (35, 538832), (40, 471478), (49, 384880), (56, 336770), (68, 277340), (70, 269416), (80, 235739), (85, 221872), (98, 192440), (112, 168385), (119, 158480), (136, 138670), (140, 134708), (170, 110936), (196, 96220), (238, 79240), (245, 76976), (272, 69335), (280, 67354), (283, 66640), (340, 55468), (392, 48110), (476, 39620), (490, 38488), (560, 33677), (566, 33320), (595, 31696), (680, 27734), (784, 24055), (833, 22640), (952, 19810), (980, 19244), (1132, 16660), (1190, 15848), (1360, 13867), (1415, 13328), (1666, 11320), (1904, 9905), (1960, 9622), (1981, 9520), (2264, 8330), (2380, 7924), (2830, 6664), (3332, 5660), (3920, 4811), (3962, 4760), (4165, 4528)]