19543818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1289}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 47183040

約数和(自身を除く): 27639222

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1289, 2166, 2527, 2578, 3867, 5054, 7581, 7734, 9023, 15162, 18046, 24491, 27069, 48982, 54138, 73473, 146946, 171437, 342874, 465329, 514311, 930658, 1028622, 1395987, 2791974, 3257303, 6514606, 9771909, 19543818]

約数ペア:

[(1, 19543818), (2, 9771909), (3, 6514606), (6, 3257303), (7, 2791974), (14, 1395987), (19, 1028622), (21, 930658), (38, 514311), (42, 465329), (57, 342874), (114, 171437), (133, 146946), (266, 73473), (361, 54138), (399, 48982), (722, 27069), (798, 24491), (1083, 18046), (1289, 15162), (2166, 9023), (2527, 7734), (2578, 7581), (3867, 5054)]