18289744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103919}}^1$

素因数の和:103938

約数の個数: 20

約数和(自身を含む): 38658240

約数和(自身を除く): 20368496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 103919, 207838, 415676, 831352, 1143109, 1662704, 2286218, 4572436, 9144872, 18289744]

約数ペア:

[(1, 18289744), (2, 9144872), (4, 4572436), (8, 2286218), (11, 1662704), (16, 1143109), (22, 831352), (44, 415676), (88, 207838), (176, 103919)]