19789924

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 44930592

約数和(自身を除く): 25140668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 134, 137, 154, 196, 268, 274, 308, 469, 539, 548, 737, 938, 959, 1078, 1474, 1507, 1876, 1918, 2156, 2948, 3014, 3283, 3836, 5159, 6028, 6566, 6713, 9179, 10318, 10549, 13132, 13426, 18358, 20636, 21098, 26852, 36113, 36716, 42196, 64253, 72226, 73843, 100969, 128506, 144452, 147686, 201938, 257012, 295372, 403876, 449771, 706783, 899542, 1413566, 1799084, 2827132, 4947481, 9894962, 19789924]

約数ペア:

[(1, 19789924), (2, 9894962), (4, 4947481), (7, 2827132), (11, 1799084), (14, 1413566), (22, 899542), (28, 706783), (44, 449771), (49, 403876), (67, 295372), (77, 257012), (98, 201938), (134, 147686), (137, 144452), (154, 128506), (196, 100969), (268, 73843), (274, 72226), (308, 64253), (469, 42196), (539, 36716), (548, 36113), (737, 26852), (938, 21098), (959, 20636), (1078, 18358), (1474, 13426), (1507, 13132), (1876, 10549), (1918, 10318), (2156, 9179), (2948, 6713), (3014, 6566), (3283, 6028), (3836, 5159)]