18910916

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 33899040

約数和(自身を除く): 14988124

約数列:

[1, 2, 4, 59, 118, 227, 236, 353, 454, 706, 908, 1412, 13393, 20827, 26786, 41654, 53572, 80131, 83308, 160262, 320524, 4727729, 9455458, 18910916]

約数ペア:

[(1, 18910916), (2, 9455458), (4, 4727729), (59, 320524), (118, 160262), (227, 83308), (236, 80131), (353, 53572), (454, 41654), (706, 26786), (908, 20827), (1412, 13393)]