19123040

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 45641232

約数和(自身を除く): 26518192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1117, 1712, 2140, 2234, 3424, 4280, 4468, 5585, 8560, 8936, 11170, 17120, 17872, 22340, 35744, 44680, 89360, 119519, 178720, 239038, 478076, 597595, 956152, 1195190, 1912304, 2390380, 3824608, 4780760, 9561520, 19123040]

約数ペア:

[(1, 19123040), (2, 9561520), (4, 4780760), (5, 3824608), (8, 2390380), (10, 1912304), (16, 1195190), (20, 956152), (32, 597595), (40, 478076), (80, 239038), (107, 178720), (160, 119519), (214, 89360), (428, 44680), (535, 35744), (856, 22340), (1070, 17872), (1117, 17120), (1712, 11170), (2140, 8936), (2234, 8560), (3424, 5585), (4280, 4468)]