2019919235

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 2571264000

約数和(自身を除く): 551344765

約数列:

[1, 5, 31, 47, 155, 179, 235, 895, 1457, 1549, 5549, 7285, 7745, 8413, 27745, 42065, 48019, 72803, 240095, 260803, 277271, 364015, 1304015, 1386355, 2256893, 8595401, 11284465, 13031737, 42977005, 65158685, 403983847, 2019919235]

約数ペア:

[(1, 2019919235), (5, 403983847), (31, 65158685), (47, 42977005), (155, 13031737), (179, 11284465), (235, 8595401), (895, 2256893), (1457, 1386355), (1549, 1304015), (5549, 364015), (7285, 277271), (7745, 260803), (8413, 240095), (27745, 72803), (42065, 48019)]