1900994490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{21122161}}^1$

素因数の和:21122174

約数の個数: 24

約数和(自身を含む): 4942585908

約数和(自身を除く): 3041591418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 21122161, 42244322, 63366483, 105610805, 126732966, 190099449, 211221610, 316832415, 380198898, 633664830, 950497245, 1900994490]

約数ペア:

[(1, 1900994490), (2, 950497245), (3, 633664830), (5, 380198898), (6, 316832415), (9, 211221610), (10, 190099449), (15, 126732966), (18, 105610805), (30, 63366483), (45, 42244322), (90, 21122161)]