17964660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42773}}^1$

素因数の和:42792

約数の個数: 48

約数和(自身を含む): 57488256

約数和(自身を除く): 39523596

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, 42773, 85546, 128319, 171092, 213865, 256638, 299411, 427730, 513276, 598822, 641595, 855460, 898233, 1197644, 1283190, 1497055, 1796466, 2566380, 2994110, 3592932, 4491165, 5988220, 8982330, 17964660]

約数ペア:

[(1, 17964660), (2, 8982330), (3, 5988220), (4, 4491165), (5, 3592932), (6, 2994110), (7, 2566380), (10, 1796466), (12, 1497055), (14, 1283190), (15, 1197644), (20, 898233), (21, 855460), (28, 641595), (30, 598822), (35, 513276), (42, 427730), (60, 299411), (70, 256638), (84, 213865), (105, 171092), (140, 128319), (210, 85546), (420, 42773)]