18209940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 40625004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 227, 382, 420, 454, 573, 681, 764, 908, 955, 1135, 1146, 1337, 1362, 1589, 1910, 2270, 2292, 2674, 2724, 2865, 3178, 3405, 3820, 4011, 4540, 4767, 5348, 5730, 6356, 6685, 6810, 7945, 8022, 9534, 11460, 13370, 13620, 15890, 16044, 19068, 20055, 23835, 26740, 31780, 40110, 43357, 47670, 80220, 86714, 95340, 130071, 173428, 216785, 260142, 303499, 433570, 520284, 606998, 650355, 867140, 910497, 1213996, 1300710, 1517495, 1820994, 2601420, 3034990, 3641988, 4552485, 6069980, 9104970, 18209940]

約数ペア:

[(1, 18209940), (2, 9104970), (3, 6069980), (4, 4552485), (5, 3641988), (6, 3034990), (7, 2601420), (10, 1820994), (12, 1517495), (14, 1300710), (15, 1213996), (20, 910497), (21, 867140), (28, 650355), (30, 606998), (35, 520284), (42, 433570), (60, 303499), (70, 260142), (84, 216785), (105, 173428), (140, 130071), (191, 95340), (210, 86714), (227, 80220), (382, 47670), (420, 43357), (454, 40110), (573, 31780), (681, 26740), (764, 23835), (908, 20055), (955, 19068), (1135, 16044), (1146, 15890), (1337, 13620), (1362, 13370), (1589, 11460), (1910, 9534), (2270, 8022), (2292, 7945), (2674, 6810), (2724, 6685), (2865, 6356), (3178, 5730), (3405, 5348), (3820, 4767), (4011, 4540)]