19182021

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 27907200

約数和(自身を除く): 8725179

約数列:

[1, 3, 29, 37, 59, 87, 101, 111, 177, 303, 1073, 1711, 2183, 2929, 3219, 3737, 5133, 5959, 6549, 8787, 11211, 17877, 63307, 108373, 172811, 189921, 220483, 325119, 518433, 661449, 6394007, 19182021]

約数ペア:

[(1, 19182021), (3, 6394007), (29, 661449), (37, 518433), (59, 325119), (87, 220483), (101, 189921), (111, 172811), (177, 108373), (303, 63307), (1073, 17877), (1711, 11211), (2183, 8787), (2929, 6549), (3219, 5959), (3737, 5133)]