18741723

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 33981696

約数和(自身を除く): 15239973

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 79, 91, 143, 231, 237, 273, 429, 553, 869, 1001, 1027, 1659, 2607, 3003, 3081, 6083, 6241, 7189, 11297, 18249, 18723, 21567, 33891, 43687, 68651, 79079, 81133, 131061, 205953, 237237, 243399, 480557, 567931, 892463, 1441671, 1703793, 2677389, 6247241, 18741723]

約数ペア:

[(1, 18741723), (3, 6247241), (7, 2677389), (11, 1703793), (13, 1441671), (21, 892463), (33, 567931), (39, 480557), (77, 243399), (79, 237237), (91, 205953), (143, 131061), (231, 81133), (237, 79079), (273, 68651), (429, 43687), (553, 33891), (869, 21567), (1001, 18723), (1027, 18249), (1659, 11297), (2607, 7189), (3003, 6241), (3081, 6083)]