18439839

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 30458880

約数和(自身を除く): 12019041

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1321, 1551, 3963, 4653, 11889, 13959, 14531, 35667, 43593, 62087, 130779, 186261, 392337, 558783, 682957, 1676349, 2048871, 6146613, 18439839]

約数ペア:

[(1, 18439839), (3, 6146613), (9, 2048871), (11, 1676349), (27, 682957), (33, 558783), (47, 392337), (99, 186261), (141, 130779), (297, 62087), (423, 43593), (517, 35667), (1269, 14531), (1321, 13959), (1551, 11889), (3963, 4653)]