19940460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3049}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 56364000

約数和(自身を除く): 36423540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3049, 3270, 6098, 6540, 9147, 12196, 15245, 18294, 30490, 36588, 45735, 60980, 91470, 182940, 332341, 664682, 997023, 1329364, 1661705, 1994046, 3323410, 3988092, 4985115, 6646820, 9970230, 19940460]

約数ペア:

[(1, 19940460), (2, 9970230), (3, 6646820), (4, 4985115), (5, 3988092), (6, 3323410), (10, 1994046), (12, 1661705), (15, 1329364), (20, 997023), (30, 664682), (60, 332341), (109, 182940), (218, 91470), (327, 60980), (436, 45735), (545, 36588), (654, 30490), (1090, 18294), (1308, 15245), (1635, 12196), (2180, 9147), (3049, 6540), (3270, 6098)]