19910080592

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{1627}}^1\times {\mathrm{16273}}^1$

素因数の和:17955

約数の個数: 40

約数和(自身を含む): 39423179136

約数和(自身を除く): 19513098544

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 1627, 3254, 6508, 13016, 16273, 26032, 32546, 65092, 76469, 130184, 152938, 260368, 305876, 611752, 764831, 1223504, 1529662, 3059324, 6118648, 12237296, 26476171, 52952342, 105904684, 211809368, 423618736, 1244380037, 2488760074, 4977520148, 9955040296, 19910080592]

約数ペア:

[(1, 19910080592), (2, 9955040296), (4, 4977520148), (8, 2488760074), (16, 1244380037), (47, 423618736), (94, 211809368), (188, 105904684), (376, 52952342), (752, 26476171), (1627, 12237296), (3254, 6118648), (6508, 3059324), (13016, 1529662), (16273, 1223504), (26032, 764831), (32546, 611752), (65092, 305876), (76469, 260368), (130184, 152938)]