18725445

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4783}}^1$

素因数の和:4826

約数の個数: 32

約数和(自身を含む): 34444800

約数和(自身を除く): 15719355

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4783, 14349, 23915, 43047, 71745, 129141, 138707, 215235, 416121, 645705, 693535, 1248363, 2080605, 3745089, 6241815, 18725445]

約数ペア:

[(1, 18725445), (3, 6241815), (5, 3745089), (9, 2080605), (15, 1248363), (27, 693535), (29, 645705), (45, 416121), (87, 215235), (135, 138707), (145, 129141), (261, 71745), (435, 43047), (783, 23915), (1305, 14349), (3915, 4783)]