19436409

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 30201600

約数和(自身を除く): 10765191

約数列:

[1, 3, 9, 27, 29, 87, 103, 241, 261, 309, 723, 783, 927, 2169, 2781, 2987, 6507, 6989, 8961, 20967, 24823, 26883, 62901, 74469, 80649, 188703, 223407, 670221, 719867, 2159601, 6478803, 19436409]

約数ペア:

[(1, 19436409), (3, 6478803), (9, 2159601), (27, 719867), (29, 670221), (87, 223407), (103, 188703), (241, 80649), (261, 74469), (309, 62901), (723, 26883), (783, 24823), (927, 20967), (2169, 8961), (2781, 6989), (2987, 6507)]