19809248

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 42416640

約数和(自身を除く): 22607392

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1051, 1178, 2102, 2356, 4204, 4712, 8408, 9424, 16816, 18848, 19969, 32581, 33632, 39938, 65162, 79876, 130324, 159752, 260648, 319504, 521296, 619039, 639008, 1042592, 1238078, 2476156, 4952312, 9904624, 19809248]

約数ペア:

[(1, 19809248), (2, 9904624), (4, 4952312), (8, 2476156), (16, 1238078), (19, 1042592), (31, 639008), (32, 619039), (38, 521296), (62, 319504), (76, 260648), (124, 159752), (152, 130324), (248, 79876), (304, 65162), (496, 39938), (589, 33632), (608, 32581), (992, 19969), (1051, 18848), (1178, 16816), (2102, 9424), (2356, 8408), (4204, 4712)]