18990675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{7673}}^1$

素因数の和:7700

約数の個数: 36

約数和(自身を含む): 37111464

約数和(自身を除く): 18120789

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 7673, 23019, 38365, 69057, 84403, 115095, 191825, 253209, 345285, 422015, 575475, 759627, 1266045, 1726425, 2110075, 3798135, 6330225, 18990675]

約数ペア:

[(1, 18990675), (3, 6330225), (5, 3798135), (9, 2110075), (11, 1726425), (15, 1266045), (25, 759627), (33, 575475), (45, 422015), (55, 345285), (75, 253209), (99, 191825), (165, 115095), (225, 84403), (275, 69057), (495, 38365), (825, 23019), (2475, 7673)]