19689504

素因数分解:

$2^5\times 3^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 51928128

約数和(自身を除く): 32238624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 317, 634, 647, 951, 1268, 1294, 1902, 1941, 2536, 2588, 3804, 3882, 5072, 5176, 7608, 7764, 10144, 10352, 15216, 15528, 20704, 30432, 31056, 62112, 205099, 410198, 615297, 820396, 1230594, 1640792, 2461188, 3281584, 4922376, 6563168, 9844752, 19689504]

約数ペア:

[(1, 19689504), (2, 9844752), (3, 6563168), (4, 4922376), (6, 3281584), (8, 2461188), (12, 1640792), (16, 1230594), (24, 820396), (32, 615297), (48, 410198), (96, 205099), (317, 62112), (634, 31056), (647, 30432), (951, 20704), (1268, 15528), (1294, 15216), (1902, 10352), (1941, 10144), (2536, 7764), (2588, 7608), (3804, 5176), (3882, 5072)]