18046140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42967}}^1$

素因数の和:42986

約数の個数: 48

約数和(自身を含む): 57748992

約数和(自身を除く): 39702852

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, 210, 420, 42967, 85934, 128901, 171868, 214835, 257802, 300769, 429670, 515604, 601538, 644505, 859340, 902307, 1203076, 1289010, 1503845, 1804614, 2578020, 3007690, 3609228, 4511535, 6015380, 9023070, 18046140]

約数ペア:

[(1, 18046140), (2, 9023070), (3, 6015380), (4, 4511535), (5, 3609228), (6, 3007690), (7, 2578020), (10, 1804614), (12, 1503845), (14, 1289010), (15, 1203076), (20, 902307), (21, 859340), (28, 644505), (30, 601538), (35, 515604), (42, 429670), (60, 300769), (70, 257802), (84, 214835), (105, 171868), (140, 128901), (210, 85934), (420, 42967)]