17821384

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2027}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 38450880

約数和(自身を除く): 20629496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2027, 2198, 4054, 4396, 8108, 8792, 14189, 16216, 28378, 56756, 113512, 318239, 636478, 1272956, 2227673, 2545912, 4455346, 8910692, 17821384]

約数ペア:

[(1, 17821384), (2, 8910692), (4, 4455346), (7, 2545912), (8, 2227673), (14, 1272956), (28, 636478), (56, 318239), (157, 113512), (314, 56756), (628, 28378), (1099, 16216), (1256, 14189), (2027, 8792), (2198, 8108), (4054, 4396)]