19561930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63103}}^1$

素因数の和:63141

約数の個数: 16

約数和(自身を含む): 36347904

約数和(自身を除く): 16785974

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 63103, 126206, 315515, 631030, 1956193, 3912386, 9780965, 19561930]

約数ペア:

[(1, 19561930), (2, 9780965), (5, 3912386), (10, 1956193), (31, 631030), (62, 315515), (155, 126206), (310, 63103)]