19965162

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 28695318

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 127, 133, 197, 254, 266, 381, 394, 399, 591, 762, 798, 889, 1182, 1379, 1778, 2413, 2667, 2758, 3743, 4137, 4826, 5334, 7239, 7486, 8274, 11229, 14478, 16891, 22458, 25019, 26201, 33782, 50038, 50673, 52402, 75057, 78603, 101346, 150114, 157206, 175133, 350266, 475361, 525399, 950722, 1050798, 1426083, 2852166, 3327527, 6655054, 9982581, 19965162]

約数ペア:

[(1, 19965162), (2, 9982581), (3, 6655054), (6, 3327527), (7, 2852166), (14, 1426083), (19, 1050798), (21, 950722), (38, 525399), (42, 475361), (57, 350266), (114, 175133), (127, 157206), (133, 150114), (197, 101346), (254, 78603), (266, 75057), (381, 52402), (394, 50673), (399, 50038), (591, 33782), (762, 26201), (798, 25019), (889, 22458), (1182, 16891), (1379, 14478), (1778, 11229), (2413, 8274), (2667, 7486), (2758, 7239), (3743, 5334), (4137, 4826)]