18003580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18371}}^1$

素因数の和:18394

約数の個数: 36

約数和(自身を含む): 43982568

約数和(自身を除く): 25978988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18371, 36742, 73484, 91855, 128597, 183710, 257194, 367420, 514388, 642985, 900179, 1285970, 1800358, 2571940, 3600716, 4500895, 9001790, 18003580]

約数ペア:

[(1, 18003580), (2, 9001790), (4, 4500895), (5, 3600716), (7, 2571940), (10, 1800358), (14, 1285970), (20, 900179), (28, 642985), (35, 514388), (49, 367420), (70, 257194), (98, 183710), (140, 128597), (196, 91855), (245, 73484), (490, 36742), (980, 18371)]