16819180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6323}}^1$

素因数の和:6358

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 25678100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6323, 12646, 25292, 31615, 44261, 63230, 88522, 120137, 126460, 177044, 221305, 240274, 442610, 480548, 600685, 840959, 885220, 1201370, 1681918, 2402740, 3363836, 4204795, 8409590, 16819180]

約数ペア:

[(1, 16819180), (2, 8409590), (4, 4204795), (5, 3363836), (7, 2402740), (10, 1681918), (14, 1201370), (19, 885220), (20, 840959), (28, 600685), (35, 480548), (38, 442610), (70, 240274), (76, 221305), (95, 177044), (133, 126460), (140, 120137), (190, 88522), (266, 63230), (380, 44261), (532, 31615), (665, 25292), (1330, 12646), (2660, 6323)]