19850402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 37156320

約数和(自身を除く): 17305918

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 169, 209, 247, 281, 286, 338, 418, 494, 562, 1859, 2717, 3091, 3211, 3653, 3718, 5339, 5434, 6182, 6422, 7306, 10678, 35321, 40183, 47489, 58729, 69407, 70642, 80366, 94978, 117458, 138814, 522379, 763477, 902291, 1044758, 1526954, 1804582, 9925201, 19850402]

約数ペア:

[(1, 19850402), (2, 9925201), (11, 1804582), (13, 1526954), (19, 1044758), (22, 902291), (26, 763477), (38, 522379), (143, 138814), (169, 117458), (209, 94978), (247, 80366), (281, 70642), (286, 69407), (338, 58729), (418, 47489), (494, 40183), (562, 35321), (1859, 10678), (2717, 7306), (3091, 6422), (3211, 6182), (3653, 5434), (3718, 5339)]