19487880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54133}}^1$

素因数の和:54150

約数の個数: 48

約数和(自身を含む): 63336780

約数和(自身を除く): 43848900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54133, 108266, 162399, 216532, 270665, 324798, 433064, 487197, 541330, 649596, 811995, 974394, 1082660, 1299192, 1623990, 1948788, 2165320, 2435985, 3247980, 3897576, 4871970, 6495960, 9743940, 19487880]

約数ペア:

[(1, 19487880), (2, 9743940), (3, 6495960), (4, 4871970), (5, 3897576), (6, 3247980), (8, 2435985), (9, 2165320), (10, 1948788), (12, 1623990), (15, 1299192), (18, 1082660), (20, 974394), (24, 811995), (30, 649596), (36, 541330), (40, 487197), (45, 433064), (60, 324798), (72, 270665), (90, 216532), (120, 162399), (180, 108266), (360, 54133)]