18138848

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6259

約数の個数: 48

約数和(自身を含む): 43958880

約数和(自身を除く): 25820032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6229, 12458, 24916, 43603, 49832, 80977, 87206, 99664, 161954, 174412, 199328, 323908, 348824, 566839, 647816, 697648, 1133678, 1295632, 1395296, 2267356, 2591264, 4534712, 9069424, 18138848]

約数ペア:

[(1, 18138848), (2, 9069424), (4, 4534712), (7, 2591264), (8, 2267356), (13, 1395296), (14, 1295632), (16, 1133678), (26, 697648), (28, 647816), (32, 566839), (52, 348824), (56, 323908), (91, 199328), (104, 174412), (112, 161954), (182, 99664), (208, 87206), (224, 80977), (364, 49832), (416, 43603), (728, 24916), (1456, 12458), (2912, 6229)]