19661642

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 42747264

約数和(自身を除く): 23085622

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 49, 61, 77, 91, 98, 122, 143, 154, 161, 182, 253, 286, 299, 322, 427, 506, 539, 598, 637, 671, 793, 854, 1001, 1078, 1127, 1274, 1342, 1403, 1586, 1771, 2002, 2093, 2254, 2806, 2989, 3289, 3542, 4186, 4697, 5551, 5978, 6578, 7007, 8723, 9394, 9821, 11102, 12397, 14014, 14651, 15433, 17446, 18239, 19642, 23023, 24794, 29302, 30866, 32879, 36478, 38857, 46046, 61061, 65758, 68747, 77714, 108031, 122122, 127673, 137494, 161161, 200629, 216062, 255346, 322322, 401258, 427427, 756217, 854854, 893711, 1404403, 1512434, 1787422, 2808806, 9830821, 19661642]

約数ペア:

[(1, 19661642), (2, 9830821), (7, 2808806), (11, 1787422), (13, 1512434), (14, 1404403), (22, 893711), (23, 854854), (26, 756217), (46, 427427), (49, 401258), (61, 322322), (77, 255346), (91, 216062), (98, 200629), (122, 161161), (143, 137494), (154, 127673), (161, 122122), (182, 108031), (253, 77714), (286, 68747), (299, 65758), (322, 61061), (427, 46046), (506, 38857), (539, 36478), (598, 32879), (637, 30866), (671, 29302), (793, 24794), (854, 23023), (1001, 19642), (1078, 18239), (1127, 17446), (1274, 15433), (1342, 14651), (1403, 14014), (1586, 12397), (1771, 11102), (2002, 9821), (2093, 9394), (2254, 8723), (2806, 7007), (2989, 6578), (3289, 5978), (3542, 5551), (4186, 4697)]