18841251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 11495517

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1187, 1221, 1443, 3561, 5291, 13057, 15431, 15873, 39171, 43919, 46293, 131757, 169741, 483109, 509223, 570947, 1449327, 1712841, 6280417, 18841251]

約数ペア:

[(1, 18841251), (3, 6280417), (11, 1712841), (13, 1449327), (33, 570947), (37, 509223), (39, 483109), (111, 169741), (143, 131757), (407, 46293), (429, 43919), (481, 39171), (1187, 15873), (1221, 15431), (1443, 13057), (3561, 5291)]