19047555

素因数分解:

$3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 34935264

約数和(自身を除く): 15887709

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 243, 257, 305, 405, 549, 771, 915, 1215, 1285, 1647, 2313, 2745, 3855, 4941, 6939, 8235, 11565, 14823, 15677, 20817, 24705, 34695, 47031, 62451, 74115, 78385, 104085, 141093, 235155, 312255, 423279, 705465, 1269837, 2116395, 3809511, 6349185, 19047555]

約数ペア:

[(1, 19047555), (3, 6349185), (5, 3809511), (9, 2116395), (15, 1269837), (27, 705465), (45, 423279), (61, 312255), (81, 235155), (135, 141093), (183, 104085), (243, 78385), (257, 74115), (305, 62451), (405, 47031), (549, 34695), (771, 24705), (915, 20817), (1215, 15677), (1285, 14823), (1647, 11565), (2313, 8235), (2745, 6939), (3855, 4941)]