18145478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12820282

約数列:

[1, 2, 13, 26, 31, 47, 62, 94, 403, 479, 611, 806, 958, 1222, 1457, 2914, 6227, 12454, 14849, 18941, 22513, 29698, 37882, 45026, 193037, 292669, 386074, 585338, 697903, 1395806, 9072739, 18145478]

約数ペア:

[(1, 18145478), (2, 9072739), (13, 1395806), (26, 697903), (31, 585338), (47, 386074), (62, 292669), (94, 193037), (403, 45026), (479, 37882), (611, 29698), (806, 22513), (958, 18941), (1222, 14849), (1457, 12454), (2914, 6227)]