19491870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20959}}^1$

素因数の和:21000

約数の個数: 32

約数和(自身を含む): 48291840

約数和(自身を除く): 28799970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 20959, 41918, 62877, 104795, 125754, 209590, 314385, 628770, 649729, 1299458, 1949187, 3248645, 3898374, 6497290, 9745935, 19491870]

約数ペア:

[(1, 19491870), (2, 9745935), (3, 6497290), (5, 3898374), (6, 3248645), (10, 1949187), (15, 1299458), (30, 649729), (31, 628770), (62, 314385), (93, 209590), (155, 125754), (186, 104795), (310, 62877), (465, 41918), (930, 20959)]