19292372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 20382508

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 491, 517, 836, 893, 982, 1034, 1786, 1964, 2068, 3572, 5401, 9329, 9823, 10802, 18658, 19646, 21604, 23077, 37316, 39292, 46154, 92308, 102619, 205238, 253847, 410476, 438463, 507694, 876926, 1015388, 1753852, 4823093, 9646186, 19292372]

約数ペア:

[(1, 19292372), (2, 9646186), (4, 4823093), (11, 1753852), (19, 1015388), (22, 876926), (38, 507694), (44, 438463), (47, 410476), (76, 253847), (94, 205238), (188, 102619), (209, 92308), (418, 46154), (491, 39292), (517, 37316), (836, 23077), (893, 21604), (982, 19646), (1034, 18658), (1786, 10802), (1964, 9823), (2068, 9329), (3572, 5401)]