19488492

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{4877}}^1$

素因数の和:4927

約数の個数: 48

約数和(自身を含む): 51901920

約数和(自身を除く): 32413428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 4877, 9754, 14631, 19508, 29262, 43893, 58524, 87786, 131679, 175572, 180449, 263358, 360898, 526716, 541347, 721796, 1082694, 1624041, 2165388, 3248082, 4872123, 6496164, 9744246, 19488492]

約数ペア:

[(1, 19488492), (2, 9744246), (3, 6496164), (4, 4872123), (6, 3248082), (9, 2165388), (12, 1624041), (18, 1082694), (27, 721796), (36, 541347), (37, 526716), (54, 360898), (74, 263358), (108, 180449), (111, 175572), (148, 131679), (222, 87786), (333, 58524), (444, 43893), (666, 29262), (999, 19508), (1332, 14631), (1998, 9754), (3996, 4877)]