19783522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 35551872

約数和(自身を除く): 15768350

約数列:

[1, 2, 11, 19, 22, 38, 47, 53, 94, 106, 209, 361, 418, 517, 583, 722, 893, 1007, 1034, 1166, 1786, 2014, 2491, 3971, 4982, 7942, 9823, 11077, 16967, 19133, 19646, 22154, 27401, 33934, 38266, 47329, 54802, 94658, 186637, 210463, 373274, 420926, 520619, 899251, 1041238, 1798502, 9891761, 19783522]

約数ペア:

[(1, 19783522), (2, 9891761), (11, 1798502), (19, 1041238), (22, 899251), (38, 520619), (47, 420926), (53, 373274), (94, 210463), (106, 186637), (209, 94658), (361, 54802), (418, 47329), (517, 38266), (583, 33934), (722, 27401), (893, 22154), (1007, 19646), (1034, 19133), (1166, 16967), (1786, 11077), (2014, 9823), (2491, 7942), (3971, 4982)]