19380660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24847}}^1$

素因数の和:24872

約数の個数: 48

約数和(自身を含む): 58442496

約数和(自身を除く): 39061836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24847, 49694, 74541, 99388, 124235, 149082, 248470, 298164, 323011, 372705, 496940, 646022, 745410, 969033, 1292044, 1490820, 1615055, 1938066, 3230110, 3876132, 4845165, 6460220, 9690330, 19380660]

約数ペア:

[(1, 19380660), (2, 9690330), (3, 6460220), (4, 4845165), (5, 3876132), (6, 3230110), (10, 1938066), (12, 1615055), (13, 1490820), (15, 1292044), (20, 969033), (26, 745410), (30, 646022), (39, 496940), (52, 372705), (60, 323011), (65, 298164), (78, 248470), (130, 149082), (156, 124235), (195, 99388), (260, 74541), (390, 49694), (780, 24847)]