18253690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1543}}^1$

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 40687488

約数和(自身を除く): 22433798

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1543, 1690, 2366, 3086, 5915, 7715, 10801, 11830, 15430, 20059, 21602, 40118, 54005, 100295, 108010, 140413, 200590, 260767, 280826, 521534, 702065, 1303835, 1404130, 1825369, 2607670, 3650738, 9126845, 18253690]

約数ペア:

[(1, 18253690), (2, 9126845), (5, 3650738), (7, 2607670), (10, 1825369), (13, 1404130), (14, 1303835), (26, 702065), (35, 521534), (65, 280826), (70, 260767), (91, 200590), (130, 140413), (169, 108010), (182, 100295), (338, 54005), (455, 40118), (845, 21602), (910, 20059), (1183, 15430), (1543, 11830), (1690, 10801), (2366, 7715), (3086, 5915)]