19958882912

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{342889}}^1$

素因数の和:343023

約数の個数: 48

約数和(自身を含む): 41994424080

約数和(自身を除く): 22035541168

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 107, 136, 214, 272, 428, 544, 856, 1712, 1819, 3424, 3638, 7276, 14552, 29104, 58208, 342889, 685778, 1371556, 2743112, 5486224, 5829113, 10972448, 11658226, 23316452, 36689123, 46632904, 73378246, 93265808, 146756492, 186531616, 293512984, 587025968, 623715091, 1174051936, 1247430182, 2494860364, 4989720728, 9979441456, 19958882912]

約数ペア:

[(1, 19958882912), (2, 9979441456), (4, 4989720728), (8, 2494860364), (16, 1247430182), (17, 1174051936), (32, 623715091), (34, 587025968), (68, 293512984), (107, 186531616), (136, 146756492), (214, 93265808), (272, 73378246), (428, 46632904), (544, 36689123), (856, 23316452), (1712, 11658226), (1819, 10972448), (3424, 5829113), (3638, 5486224), (7276, 2743112), (14552, 1371556), (29104, 685778), (58208, 342889)]