18827340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1991

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 44071860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 1949, 2415, 3220, 3898, 4830, 5847, 7796, 9660, 9745, 11694, 13643, 19490, 23388, 27286, 29235, 38980, 40929, 44827, 54572, 58470, 68215, 81858, 89654, 116940, 134481, 136430, 163716, 179308, 204645, 224135, 268962, 272860, 313789, 409290, 448270, 537924, 627578, 672405, 818580, 896540, 941367, 1255156, 1344810, 1568945, 1882734, 2689620, 3137890, 3765468, 4706835, 6275780, 9413670, 18827340]

約数ペア:

[(1, 18827340), (2, 9413670), (3, 6275780), (4, 4706835), (5, 3765468), (6, 3137890), (7, 2689620), (10, 1882734), (12, 1568945), (14, 1344810), (15, 1255156), (20, 941367), (21, 896540), (23, 818580), (28, 672405), (30, 627578), (35, 537924), (42, 448270), (46, 409290), (60, 313789), (69, 272860), (70, 268962), (84, 224135), (92, 204645), (105, 179308), (115, 163716), (138, 136430), (140, 134481), (161, 116940), (210, 89654), (230, 81858), (276, 68215), (322, 58470), (345, 54572), (420, 44827), (460, 40929), (483, 38980), (644, 29235), (690, 27286), (805, 23388), (966, 19490), (1380, 13643), (1610, 11694), (1932, 9745), (1949, 9660), (2415, 7796), (3220, 5847), (3898, 4830)]