19910464

素因数分解:

$2^6\times 7^3\times {\mathrm{907}}^1$

素因数の和:940

約数の個数: 56

約数和(自身を含む): 46126400

約数和(自身を除く): 26215936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 907, 1372, 1568, 1814, 2744, 3136, 3628, 5488, 6349, 7256, 10976, 12698, 14512, 21952, 25396, 29024, 44443, 50792, 58048, 88886, 101584, 177772, 203168, 311101, 355544, 406336, 622202, 711088, 1244404, 1422176, 2488808, 2844352, 4977616, 9955232, 19910464]

約数ペア:

[(1, 19910464), (2, 9955232), (4, 4977616), (7, 2844352), (8, 2488808), (14, 1422176), (16, 1244404), (28, 711088), (32, 622202), (49, 406336), (56, 355544), (64, 311101), (98, 203168), (112, 177772), (196, 101584), (224, 88886), (343, 58048), (392, 50792), (448, 44443), (686, 29024), (784, 25396), (907, 21952), (1372, 14512), (1568, 12698), (1814, 10976), (2744, 7256), (3136, 6349), (3628, 5488)]