19725732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 54318264

約数和(自身を除く): 34592532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 373, 452, 468, 678, 746, 1017, 1119, 1356, 1469, 1492, 2034, 2238, 2938, 3357, 4068, 4407, 4476, 4849, 5876, 6714, 8814, 9698, 13221, 13428, 14547, 17628, 19396, 26442, 29094, 42149, 43641, 52884, 58188, 84298, 87282, 126447, 168596, 174564, 252894, 379341, 505788, 547937, 758682, 1095874, 1517364, 1643811, 2191748, 3287622, 4931433, 6575244, 9862866, 19725732]

約数ペア:

[(1, 19725732), (2, 9862866), (3, 6575244), (4, 4931433), (6, 3287622), (9, 2191748), (12, 1643811), (13, 1517364), (18, 1095874), (26, 758682), (36, 547937), (39, 505788), (52, 379341), (78, 252894), (113, 174564), (117, 168596), (156, 126447), (226, 87282), (234, 84298), (339, 58188), (373, 52884), (452, 43641), (468, 42149), (678, 29094), (746, 26442), (1017, 19396), (1119, 17628), (1356, 14547), (1469, 13428), (1492, 13221), (2034, 9698), (2238, 8814), (2938, 6714), (3357, 5876), (4068, 4849), (4407, 4476)]