19392984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20719}}^1$

素因数の和:20744

約数の個数: 48

約数和(自身を含む): 56565600

約数和(自身を除く): 37172616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20719, 41438, 62157, 82876, 124314, 165752, 186471, 248628, 269347, 372942, 497256, 538694, 745884, 808041, 1077388, 1491768, 1616082, 2154776, 2424123, 3232164, 4848246, 6464328, 9696492, 19392984]

約数ペア:

[(1, 19392984), (2, 9696492), (3, 6464328), (4, 4848246), (6, 3232164), (8, 2424123), (9, 2154776), (12, 1616082), (13, 1491768), (18, 1077388), (24, 808041), (26, 745884), (36, 538694), (39, 497256), (52, 372942), (72, 269347), (78, 248628), (104, 186471), (117, 165752), (156, 124314), (234, 82876), (312, 62157), (468, 41438), (936, 20719)]