18978262

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{8273}}^1$

素因数の和:8343

約数の個数: 16

約数和(自身を含む): 30183552

約数和(自身を除く): 11205290

約数列:

[1, 2, 31, 37, 62, 74, 1147, 2294, 8273, 16546, 256463, 306101, 512926, 612202, 9489131, 18978262]

約数ペア:

[(1, 18978262), (2, 9489131), (31, 612202), (37, 512926), (62, 306101), (74, 256463), (1147, 16546), (2294, 8273)]