18329584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12589}}^1$

素因数の和:12617

約数の個数: 40

約数和(自身を含む): 43712480

約数和(自身を除く): 25382896

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12589, 25178, 50356, 88123, 100712, 163657, 176246, 201424, 327314, 352492, 654628, 704984, 1145599, 1309256, 1409968, 2291198, 2618512, 4582396, 9164792, 18329584]

約数ペア:

[(1, 18329584), (2, 9164792), (4, 4582396), (7, 2618512), (8, 2291198), (13, 1409968), (14, 1309256), (16, 1145599), (26, 704984), (28, 654628), (52, 352492), (56, 327314), (91, 201424), (104, 176246), (112, 163657), (182, 100712), (208, 88123), (364, 50356), (728, 25178), (1456, 12589)]