19351254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 24774954

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 53, 62, 78, 93, 106, 151, 159, 186, 302, 318, 403, 453, 689, 806, 906, 1209, 1378, 1643, 1963, 2067, 2418, 3286, 3926, 4134, 4681, 4929, 5889, 8003, 9362, 9858, 11778, 14043, 16006, 21359, 24009, 28086, 42718, 48018, 60853, 64077, 104039, 121706, 128154, 182559, 208078, 248093, 312117, 365118, 496186, 624234, 744279, 1488558, 3225209, 6450418, 9675627, 19351254]

約数ペア:

[(1, 19351254), (2, 9675627), (3, 6450418), (6, 3225209), (13, 1488558), (26, 744279), (31, 624234), (39, 496186), (53, 365118), (62, 312117), (78, 248093), (93, 208078), (106, 182559), (151, 128154), (159, 121706), (186, 104039), (302, 64077), (318, 60853), (403, 48018), (453, 42718), (689, 28086), (806, 24009), (906, 21359), (1209, 16006), (1378, 14043), (1643, 11778), (1963, 9858), (2067, 9362), (2418, 8003), (3286, 5889), (3926, 4929), (4134, 4681)]