18227385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 35987328

約数和(自身を除く): 17759943

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 1601, 2277, 3795, 4803, 8005, 11385, 14409, 17611, 24015, 36823, 52833, 72045, 88055, 110469, 158499, 184115, 264165, 331407, 405053, 552345, 792495, 1215159, 1657035, 2025265, 3645477, 6075795, 18227385]

約数ペア:

[(1, 18227385), (3, 6075795), (5, 3645477), (9, 2025265), (11, 1657035), (15, 1215159), (23, 792495), (33, 552345), (45, 405053), (55, 331407), (69, 264165), (99, 184115), (115, 158499), (165, 110469), (207, 88055), (253, 72045), (345, 52833), (495, 36823), (759, 24015), (1035, 17611), (1265, 14409), (1601, 11385), (2277, 8005), (3795, 4803)]