15861898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 26888400

約数和(自身を除く): 11026502

約数列:

[1, 2, 13, 26, 29, 58, 109, 193, 218, 377, 386, 754, 1417, 2509, 2834, 3161, 5018, 5597, 6322, 11194, 21037, 41093, 42074, 72761, 82186, 145522, 273481, 546962, 610073, 1220146, 7930949, 15861898]

約数ペア:

[(1, 15861898), (2, 7930949), (13, 1220146), (26, 610073), (29, 546962), (58, 273481), (109, 145522), (193, 82186), (218, 72761), (377, 42074), (386, 41093), (754, 21037), (1417, 11194), (2509, 6322), (2834, 5597), (3161, 5018)]