18948400

素因数分解:

$2^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 46004992

約数和(自身を除く): 27056592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 127, 200, 254, 373, 400, 508, 635, 746, 1016, 1270, 1492, 1865, 2032, 2540, 2984, 3175, 3730, 5080, 5968, 6350, 7460, 9325, 10160, 12700, 14920, 18650, 25400, 29840, 37300, 47371, 50800, 74600, 94742, 149200, 189484, 236855, 378968, 473710, 757936, 947420, 1184275, 1894840, 2368550, 3789680, 4737100, 9474200, 18948400]

約数ペア:

[(1, 18948400), (2, 9474200), (4, 4737100), (5, 3789680), (8, 2368550), (10, 1894840), (16, 1184275), (20, 947420), (25, 757936), (40, 473710), (50, 378968), (80, 236855), (100, 189484), (127, 149200), (200, 94742), (254, 74600), (373, 50800), (400, 47371), (508, 37300), (635, 29840), (746, 25400), (1016, 18650), (1270, 14920), (1492, 12700), (1865, 10160), (2032, 9325), (2540, 7460), (2984, 6350), (3175, 5968), (3730, 5080)]