18827760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1601}}^1$

素因数の和:1631

約数の個数: 120

約数和(自身を含む): 67937616

約数和(自身を除く): 49109856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1601, 1680, 1960, 2352, 2940, 3202, 3920, 4803, 5880, 6404, 8005, 9606, 11207, 11760, 12808, 16010, 19212, 22414, 24015, 25616, 32020, 33621, 38424, 44828, 48030, 56035, 64040, 67242, 76848, 78449, 89656, 96060, 112070, 128080, 134484, 156898, 168105, 179312, 192120, 224140, 235347, 268968, 313796, 336210, 384240, 392245, 448280, 470694, 537936, 627592, 672420, 784490, 896560, 941388, 1176735, 1255184, 1344840, 1568980, 1882776, 2353470, 2689680, 3137960, 3765552, 4706940, 6275920, 9413880, 18827760]

約数ペア:

[(1, 18827760), (2, 9413880), (3, 6275920), (4, 4706940), (5, 3765552), (6, 3137960), (7, 2689680), (8, 2353470), (10, 1882776), (12, 1568980), (14, 1344840), (15, 1255184), (16, 1176735), (20, 941388), (21, 896560), (24, 784490), (28, 672420), (30, 627592), (35, 537936), (40, 470694), (42, 448280), (48, 392245), (49, 384240), (56, 336210), (60, 313796), (70, 268968), (80, 235347), (84, 224140), (98, 192120), (105, 179312), (112, 168105), (120, 156898), (140, 134484), (147, 128080), (168, 112070), (196, 96060), (210, 89656), (240, 78449), (245, 76848), (280, 67242), (294, 64040), (336, 56035), (392, 48030), (420, 44828), (490, 38424), (560, 33621), (588, 32020), (735, 25616), (784, 24015), (840, 22414), (980, 19212), (1176, 16010), (1470, 12808), (1601, 11760), (1680, 11207), (1960, 9606), (2352, 8005), (2940, 6404), (3202, 5880), (3920, 4803)]