18779937

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 10112223

約数列:

[1, 3, 11, 23, 33, 69, 109, 227, 253, 327, 681, 759, 1199, 2497, 2507, 3597, 5221, 7491, 7521, 15663, 24743, 27577, 57431, 74229, 82731, 172293, 272173, 569089, 816519, 1707267, 6259979, 18779937]

約数ペア:

[(1, 18779937), (3, 6259979), (11, 1707267), (23, 816519), (33, 569089), (69, 272173), (109, 172293), (227, 82731), (253, 74229), (327, 57431), (681, 27577), (759, 24743), (1199, 15663), (2497, 7521), (2507, 7491), (3597, 5221)]