19865874

素因数分解:

$2^1\times 3^1\times 7^5\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 46588608

約数和(自身を除く): 26722734

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 343, 394, 591, 686, 1029, 1182, 1379, 2058, 2401, 2758, 4137, 4802, 7203, 8274, 9653, 14406, 16807, 19306, 28959, 33614, 50421, 57918, 67571, 100842, 135142, 202713, 405426, 472997, 945994, 1418991, 2837982, 3310979, 6621958, 9932937, 19865874]

約数ペア:

[(1, 19865874), (2, 9932937), (3, 6621958), (6, 3310979), (7, 2837982), (14, 1418991), (21, 945994), (42, 472997), (49, 405426), (98, 202713), (147, 135142), (197, 100842), (294, 67571), (343, 57918), (394, 50421), (591, 33614), (686, 28959), (1029, 19306), (1182, 16807), (1379, 14406), (2058, 9653), (2401, 8274), (2758, 7203), (4137, 4802)]