258811388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{309583}}^1$

素因数の和:309617

約数の個数: 24

約数和(自身を含む): 520101120

約数和(自身を除く): 261289732

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 309583, 619166, 1238332, 3405413, 5882077, 6810826, 11764154, 13621652, 23528308, 64702847, 129405694, 258811388]

約数ペア:

[(1, 258811388), (2, 129405694), (4, 64702847), (11, 23528308), (19, 13621652), (22, 11764154), (38, 6810826), (44, 5882077), (76, 3405413), (209, 1238332), (418, 619166), (836, 309583)]