18388980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102161}}^1$

素因数の和:102176

約数の個数: 36

約数和(自身を含む): 55780452

約数和(自身を除く): 37391472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102161, 204322, 306483, 408644, 510805, 612966, 919449, 1021610, 1225932, 1532415, 1838898, 2043220, 3064830, 3677796, 4597245, 6129660, 9194490, 18388980]

約数ペア:

[(1, 18388980), (2, 9194490), (3, 6129660), (4, 4597245), (5, 3677796), (6, 3064830), (9, 2043220), (10, 1838898), (12, 1532415), (15, 1225932), (18, 1021610), (20, 919449), (30, 612966), (36, 510805), (45, 408644), (60, 306483), (90, 204322), (180, 102161)]