20181946668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1209079}}^1$

素因数の和:1209206

約数の個数: 48

約数和(自身を含む): 51187610880

約数和(自身を除く): 31005664212

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1391, 2782, 4173, 5564, 8346, 16692, 1209079, 2418158, 3627237, 4836316, 7254474, 14508948, 15718027, 31436054, 47154081, 62872108, 94308162, 129371453, 188616324, 258742906, 388114359, 517485812, 776228718, 1552457436, 1681828889, 3363657778, 5045486667, 6727315556, 10090973334, 20181946668]

約数ペア:

[(1, 20181946668), (2, 10090973334), (3, 6727315556), (4, 5045486667), (6, 3363657778), (12, 1681828889), (13, 1552457436), (26, 776228718), (39, 517485812), (52, 388114359), (78, 258742906), (107, 188616324), (156, 129371453), (214, 94308162), (321, 62872108), (428, 47154081), (642, 31436054), (1284, 15718027), (1391, 14508948), (2782, 7254474), (4173, 4836316), (5564, 3627237), (8346, 2418158), (16692, 1209079)]