1814693800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{477551}}^1$

素因数の和:477586

約数の個数: 48

約数和(自身を含む): 4441233600

約数和(自身を除く): 2626539800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 477551, 955102, 1910204, 2387755, 3820408, 4775510, 9073469, 9551020, 11938775, 18146938, 19102040, 23877550, 36293876, 45367345, 47755100, 72587752, 90734690, 95510200, 181469380, 226836725, 362938760, 453673450, 907346900, 1814693800]

約数ペア:

[(1, 1814693800), (2, 907346900), (4, 453673450), (5, 362938760), (8, 226836725), (10, 181469380), (19, 95510200), (20, 90734690), (25, 72587752), (38, 47755100), (40, 45367345), (50, 36293876), (76, 23877550), (95, 19102040), (100, 18146938), (152, 11938775), (190, 9551020), (200, 9073469), (380, 4775510), (475, 3820408), (760, 2387755), (950, 1910204), (1900, 955102), (3800, 477551)]