19823705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 7392295

約数列:

[1, 5, 11, 41, 55, 59, 149, 205, 295, 451, 649, 745, 1639, 2255, 2419, 3245, 6109, 8195, 8791, 12095, 26609, 30545, 43955, 67199, 96701, 133045, 335995, 360431, 483505, 1802155, 3964741, 19823705]

約数ペア:

[(1, 19823705), (5, 3964741), (11, 1802155), (41, 483505), (55, 360431), (59, 335995), (149, 133045), (205, 96701), (295, 67199), (451, 43955), (649, 30545), (745, 26609), (1639, 12095), (2255, 8791), (2419, 8195), (3245, 6109)]