18561990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{10487}}^1$

素因数の和:10556

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 26746170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 10487, 20974, 31461, 52435, 62922, 104870, 157305, 314610, 618733, 1237466, 1856199, 3093665, 3712398, 6187330, 9280995, 18561990]

約数ペア:

[(1, 18561990), (2, 9280995), (3, 6187330), (5, 3712398), (6, 3093665), (10, 1856199), (15, 1237466), (30, 618733), (59, 314610), (118, 157305), (177, 104870), (295, 62922), (354, 52435), (590, 31461), (885, 20974), (1770, 10487)]