19981282152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{92681}}^1$

素因数の和:93394

約数の個数: 64

約数和(自身を含む): 53874192960

約数和(自身を除く): 33892910808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 691, 1382, 2073, 2764, 4146, 5528, 8292, 8983, 16584, 17966, 26949, 35932, 53898, 71864, 92681, 107796, 185362, 215592, 278043, 370724, 556086, 741448, 1112172, 1204853, 2224344, 2409706, 3614559, 4819412, 7229118, 9638824, 14458236, 28916472, 64042571, 128085142, 192127713, 256170284, 384255426, 512340568, 768510852, 832553423, 1537021704, 1665106846, 2497660269, 3330213692, 4995320538, 6660427384, 9990641076, 19981282152]

約数ペア:

[(1, 19981282152), (2, 9990641076), (3, 6660427384), (4, 4995320538), (6, 3330213692), (8, 2497660269), (12, 1665106846), (13, 1537021704), (24, 832553423), (26, 768510852), (39, 512340568), (52, 384255426), (78, 256170284), (104, 192127713), (156, 128085142), (312, 64042571), (691, 28916472), (1382, 14458236), (2073, 9638824), (2764, 7229118), (4146, 4819412), (5528, 3614559), (8292, 2409706), (8983, 2224344), (16584, 1204853), (17966, 1112172), (26949, 741448), (35932, 556086), (53898, 370724), (71864, 278043), (92681, 215592), (107796, 185362)]