18563874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 45788160

約数和(自身を除く): 27224286

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 541, 602, 798, 817, 903, 1082, 1623, 1634, 1806, 2451, 3246, 3787, 4902, 5719, 7574, 10279, 11361, 11438, 17157, 20558, 22722, 23263, 30837, 34314, 46526, 61674, 69789, 71953, 139578, 143906, 162841, 215859, 325682, 431718, 441997, 488523, 883994, 977046, 1325991, 2651982, 3093979, 6187958, 9281937, 18563874]

約数ペア:

[(1, 18563874), (2, 9281937), (3, 6187958), (6, 3093979), (7, 2651982), (14, 1325991), (19, 977046), (21, 883994), (38, 488523), (42, 441997), (43, 431718), (57, 325682), (86, 215859), (114, 162841), (129, 143906), (133, 139578), (258, 71953), (266, 69789), (301, 61674), (399, 46526), (541, 34314), (602, 30837), (798, 23263), (817, 22722), (903, 20558), (1082, 17157), (1623, 11438), (1634, 11361), (1806, 10279), (2451, 7574), (3246, 5719), (3787, 4902)]