19753250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 40707576

約数和(自身を除く): 20954326

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 275, 550, 605, 653, 1210, 1306, 1375, 2750, 3025, 3265, 6050, 6530, 7183, 14366, 15125, 16325, 30250, 32650, 35915, 71830, 79013, 81625, 158026, 163250, 179575, 359150, 395065, 790130, 897875, 1795750, 1975325, 3950650, 9876625, 19753250]

約数ペア:

[(1, 19753250), (2, 9876625), (5, 3950650), (10, 1975325), (11, 1795750), (22, 897875), (25, 790130), (50, 395065), (55, 359150), (110, 179575), (121, 163250), (125, 158026), (242, 81625), (250, 79013), (275, 71830), (550, 35915), (605, 32650), (653, 30250), (1210, 16325), (1306, 15125), (1375, 14366), (2750, 7183), (3025, 6530), (3265, 6050)]