19893660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2531}}^1$

素因数の和:2674

約数の個数: 48

約数和(自身を含む): 56149632

約数和(自身を除く): 36255972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2531, 2620, 3930, 5062, 7593, 7860, 10124, 12655, 15186, 25310, 30372, 37965, 50620, 75930, 151860, 331561, 663122, 994683, 1326244, 1657805, 1989366, 3315610, 3978732, 4973415, 6631220, 9946830, 19893660]

約数ペア:

[(1, 19893660), (2, 9946830), (3, 6631220), (4, 4973415), (5, 3978732), (6, 3315610), (10, 1989366), (12, 1657805), (15, 1326244), (20, 994683), (30, 663122), (60, 331561), (131, 151860), (262, 75930), (393, 50620), (524, 37965), (655, 30372), (786, 25310), (1310, 15186), (1572, 12655), (1965, 10124), (2531, 7860), (2620, 7593), (3930, 5062)]