19687164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3301}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 53254656

約数和(自身を除く): 33567492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3301, 5964, 6602, 9903, 13204, 19806, 23107, 39612, 46214, 69321, 92428, 138642, 234371, 277284, 468742, 703113, 937484, 1406226, 1640597, 2812452, 3281194, 4921791, 6562388, 9843582, 19687164]

約数ペア:

[(1, 19687164), (2, 9843582), (3, 6562388), (4, 4921791), (6, 3281194), (7, 2812452), (12, 1640597), (14, 1406226), (21, 937484), (28, 703113), (42, 468742), (71, 277284), (84, 234371), (142, 138642), (213, 92428), (284, 69321), (426, 46214), (497, 39612), (852, 23107), (994, 19806), (1491, 13204), (1988, 9903), (2982, 6602), (3301, 5964)]