17881490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 17499310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1091, 1490, 1639, 2182, 3278, 5455, 8195, 10910, 12001, 16390, 24002, 60005, 120010, 162559, 325118, 812795, 1625590, 1788149, 3576298, 8940745, 17881490]

約数ペア:

[(1, 17881490), (2, 8940745), (5, 3576298), (10, 1788149), (11, 1625590), (22, 812795), (55, 325118), (110, 162559), (149, 120010), (298, 60005), (745, 24002), (1091, 16390), (1490, 12001), (1639, 10910), (2182, 8195), (3278, 5455)]