18801944

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24743656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 56, 76, 82, 133, 152, 164, 266, 287, 328, 431, 532, 574, 779, 862, 1064, 1148, 1558, 1724, 2296, 3017, 3116, 3448, 5453, 6034, 6232, 8189, 10906, 12068, 16378, 17671, 21812, 24136, 32756, 35342, 43624, 57323, 65512, 70684, 114646, 123697, 141368, 229292, 247394, 335749, 458584, 494788, 671498, 989576, 1342996, 2350243, 2685992, 4700486, 9400972, 18801944]

約数ペア:

[(1, 18801944), (2, 9400972), (4, 4700486), (7, 2685992), (8, 2350243), (14, 1342996), (19, 989576), (28, 671498), (38, 494788), (41, 458584), (56, 335749), (76, 247394), (82, 229292), (133, 141368), (152, 123697), (164, 114646), (266, 70684), (287, 65512), (328, 57323), (431, 43624), (532, 35342), (574, 32756), (779, 24136), (862, 21812), (1064, 17671), (1148, 16378), (1558, 12068), (1724, 10906), (2296, 8189), (3017, 6232), (3116, 6034), (3448, 5453)]