18254145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 36900864

約数和(自身を除く): 18646719

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 195, 215, 273, 301, 311, 455, 559, 645, 903, 933, 1365, 1505, 1555, 1677, 2177, 2795, 3913, 4043, 4515, 4665, 6531, 8385, 10885, 11739, 12129, 13373, 19565, 20215, 28301, 32655, 40119, 58695, 60645, 66865, 84903, 93611, 141505, 173849, 200595, 280833, 424515, 468055, 521547, 869245, 1216943, 1404165, 2607735, 3650829, 6084715, 18254145]

約数ペア:

[(1, 18254145), (3, 6084715), (5, 3650829), (7, 2607735), (13, 1404165), (15, 1216943), (21, 869245), (35, 521547), (39, 468055), (43, 424515), (65, 280833), (91, 200595), (105, 173849), (129, 141505), (195, 93611), (215, 84903), (273, 66865), (301, 60645), (311, 58695), (455, 40119), (559, 32655), (645, 28301), (903, 20215), (933, 19565), (1365, 13373), (1505, 12129), (1555, 11739), (1677, 10885), (2177, 8385), (2795, 6531), (3913, 4665), (4043, 4515)]