19559151

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 11804049

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 179, 213, 513, 537, 639, 1349, 1539, 1611, 1917, 3401, 4047, 4833, 5751, 10203, 12141, 12709, 14499, 30609, 36423, 38127, 91827, 109269, 114381, 241471, 275481, 343143, 724413, 1029429, 2173239, 6519717, 19559151]

約数ペア:

[(1, 19559151), (3, 6519717), (9, 2173239), (19, 1029429), (27, 724413), (57, 343143), (71, 275481), (81, 241471), (171, 114381), (179, 109269), (213, 91827), (513, 38127), (537, 36423), (639, 30609), (1349, 14499), (1539, 12709), (1611, 12141), (1917, 10203), (3401, 5751), (4047, 4833)]