19510264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 39340800

約数和(自身を除く): 19830536

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2731, 3572, 5462, 7144, 10924, 21848, 51889, 103778, 128357, 207556, 256714, 415112, 513428, 1026856, 2438783, 4877566, 9755132, 19510264]

約数ペア:

[(1, 19510264), (2, 9755132), (4, 4877566), (8, 2438783), (19, 1026856), (38, 513428), (47, 415112), (76, 256714), (94, 207556), (152, 128357), (188, 103778), (376, 51889), (893, 21848), (1786, 10924), (2731, 7144), (3572, 5462)]