1999619128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{2549}}^1$

素因数の和:2984

約数の個数: 64

約数和(自身を含む): 4262580000

約数和(自身を除く): 2262960872

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 397, 494, 794, 988, 1588, 1976, 2549, 3176, 5098, 5161, 7543, 10196, 10322, 15086, 20392, 20644, 30172, 33137, 41288, 48431, 60344, 66274, 96862, 98059, 132548, 193724, 196118, 265096, 387448, 392236, 629603, 784472, 1011953, 1259206, 2023906, 2518412, 4047812, 5036824, 8095624, 13155389, 19227107, 26310778, 38454214, 52621556, 76908428, 105243112, 153816856, 249952391, 499904782, 999809564, 1999619128]

約数ペア:

[(1, 1999619128), (2, 999809564), (4, 499904782), (8, 249952391), (13, 153816856), (19, 105243112), (26, 76908428), (38, 52621556), (52, 38454214), (76, 26310778), (104, 19227107), (152, 13155389), (247, 8095624), (397, 5036824), (494, 4047812), (794, 2518412), (988, 2023906), (1588, 1259206), (1976, 1011953), (2549, 784472), (3176, 629603), (5098, 392236), (5161, 387448), (7543, 265096), (10196, 196118), (10322, 193724), (15086, 132548), (20392, 98059), (20644, 96862), (30172, 66274), (33137, 60344), (41288, 48431)]