18972806

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2971}}^1$

素因数の和:3107

約数の個数: 16

約数和(自身を含む): 29672448

約数和(自身を除く): 10699642

約数列:

[1, 2, 31, 62, 103, 206, 2971, 3193, 5942, 6386, 92101, 184202, 306013, 612026, 9486403, 18972806]

約数ペア:

[(1, 18972806), (2, 9486403), (31, 612026), (62, 306013), (103, 184202), (206, 92101), (2971, 6386), (3193, 5942)]