19313235

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 40

約数和(自身を含む): 35457840

約数和(自身を除く): 16144605

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1109, 1161, 1935, 3327, 3483, 5545, 5805, 9981, 16635, 17415, 29943, 47687, 49905, 89829, 143061, 149715, 238435, 429183, 449145, 715305, 1287549, 2145915, 3862647, 6437745, 19313235]

約数ペア:

[(1, 19313235), (3, 6437745), (5, 3862647), (9, 2145915), (15, 1287549), (27, 715305), (43, 449145), (45, 429183), (81, 238435), (129, 149715), (135, 143061), (215, 89829), (387, 49905), (405, 47687), (645, 29943), (1109, 17415), (1161, 16635), (1935, 9981), (3327, 5805), (3483, 5545)]