18724959

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 30746880

約数和(自身を除く): 12021921

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 941, 1809, 2211, 2823, 6633, 8469, 10351, 19899, 25407, 31053, 63047, 93159, 189141, 279477, 567423, 693517, 1702269, 2080551, 6241653, 18724959]

約数ペア:

[(1, 18724959), (3, 6241653), (9, 2080551), (11, 1702269), (27, 693517), (33, 567423), (67, 279477), (99, 189141), (201, 93159), (297, 63047), (603, 31053), (737, 25407), (941, 19899), (1809, 10351), (2211, 8469), (2823, 6633)]