18983878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4637}}^1$

素因数の和:4751

約数の個数: 16

約数和(自身を含む): 30054240

約数和(自身を除く): 11070362

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 4637, 9274, 106651, 213302, 412693, 825386, 9491939, 18983878]

約数ペア:

[(1, 18983878), (2, 9491939), (23, 825386), (46, 412693), (89, 213302), (178, 106651), (2047, 9274), (4094, 4637)]