19944295077

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{2089}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 32094374400

約数和(自身を除く): 12150079323

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 257, 427, 609, 771, 1281, 1769, 1799, 2089, 5307, 5397, 6267, 7453, 12383, 14623, 15677, 22359, 37149, 43869, 47031, 52171, 60581, 109739, 127429, 156513, 181743, 329217, 382287, 424067, 454633, 536873, 892003, 1272201, 1363899, 1610619, 2676009, 3182431, 3695441, 3758111, 9547293, 11086323, 11274333, 15569317, 25868087, 32749253, 46707951, 77604261, 98247759, 108985219, 229244771, 326955657, 687734313, 949728337, 2849185011, 6648098359, 19944295077]

約数ペア:

[(1, 19944295077), (3, 6648098359), (7, 2849185011), (21, 949728337), (29, 687734313), (61, 326955657), (87, 229244771), (183, 108985219), (203, 98247759), (257, 77604261), (427, 46707951), (609, 32749253), (771, 25868087), (1281, 15569317), (1769, 11274333), (1799, 11086323), (2089, 9547293), (5307, 3758111), (5397, 3695441), (6267, 3182431), (7453, 2676009), (12383, 1610619), (14623, 1363899), (15677, 1272201), (22359, 892003), (37149, 536873), (43869, 454633), (47031, 424067), (52171, 382287), (60581, 329217), (109739, 181743), (127429, 156513)]