19536076

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 41029632

約数和(自身を除く): 21493556

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 317, 434, 497, 634, 868, 994, 1268, 1988, 2201, 2219, 4402, 4438, 8804, 8876, 9827, 15407, 19654, 22507, 30814, 39308, 45014, 61628, 68789, 90028, 137578, 157549, 275156, 315098, 630196, 697717, 1395434, 2790868, 4884019, 9768038, 19536076]

約数ペア:

[(1, 19536076), (2, 9768038), (4, 4884019), (7, 2790868), (14, 1395434), (28, 697717), (31, 630196), (62, 315098), (71, 275156), (124, 157549), (142, 137578), (217, 90028), (284, 68789), (317, 61628), (434, 45014), (497, 39308), (634, 30814), (868, 22507), (994, 19654), (1268, 15407), (1988, 9827), (2201, 8876), (2219, 8804), (4402, 4438)]