18303538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 31819392

約数和(自身を除く): 13515854

約数列:

[1, 2, 11, 22, 23, 46, 61, 122, 253, 506, 593, 671, 1186, 1342, 1403, 2806, 6523, 13046, 13639, 15433, 27278, 30866, 36173, 72346, 150029, 300058, 397903, 795806, 831979, 1663958, 9151769, 18303538]

約数ペア:

[(1, 18303538), (2, 9151769), (11, 1663958), (22, 831979), (23, 795806), (46, 397903), (61, 300058), (122, 150029), (253, 72346), (506, 36173), (593, 30866), (671, 27278), (1186, 15433), (1342, 13639), (1403, 13046), (2806, 6523)]