18534481

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 23869440

約数和(自身を除く): 5334959

約数列:

[1, 7, 19, 23, 73, 83, 133, 161, 437, 511, 581, 1387, 1577, 1679, 1909, 3059, 6059, 9709, 11039, 11753, 13363, 31901, 36271, 42413, 115121, 139357, 223307, 253897, 805847, 975499, 2647783, 18534481]

約数ペア:

[(1, 18534481), (7, 2647783), (19, 975499), (23, 805847), (73, 253897), (83, 223307), (133, 139357), (161, 115121), (437, 42413), (511, 36271), (581, 31901), (1387, 13363), (1577, 11753), (1679, 11039), (1909, 9709), (3059, 6059)]