19489020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6911}}^1$

素因数の和:6970

約数の個数: 48

約数和(自身を含む): 55738368

約数和(自身を除く): 36249348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6911, 13822, 20733, 27644, 34555, 41466, 69110, 82932, 103665, 138220, 207330, 324817, 414660, 649634, 974451, 1299268, 1624085, 1948902, 3248170, 3897804, 4872255, 6496340, 9744510, 19489020]

約数ペア:

[(1, 19489020), (2, 9744510), (3, 6496340), (4, 4872255), (5, 3897804), (6, 3248170), (10, 1948902), (12, 1624085), (15, 1299268), (20, 974451), (30, 649634), (47, 414660), (60, 324817), (94, 207330), (141, 138220), (188, 103665), (235, 82932), (282, 69110), (470, 41466), (564, 34555), (705, 27644), (940, 20733), (1410, 13822), (2820, 6911)]