19634901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 31613568

約数和(自身を除く): 11978667

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1237, 1443, 3711, 5291, 13607, 15873, 16081, 40821, 45769, 48243, 137307, 176891, 503459, 530673, 594997, 1510377, 1784991, 6544967, 19634901]

約数ペア:

[(1, 19634901), (3, 6544967), (11, 1784991), (13, 1510377), (33, 594997), (37, 530673), (39, 503459), (111, 176891), (143, 137307), (407, 48243), (429, 45769), (481, 40821), (1221, 16081), (1237, 15873), (1443, 13607), (3711, 5291)]