19916460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110647}}^1$

素因数の和:110662

約数の個数: 36

約数和(自身を含む): 60413808

約数和(自身を除く): 40497348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110647, 221294, 331941, 442588, 553235, 663882, 995823, 1106470, 1327764, 1659705, 1991646, 2212940, 3319410, 3983292, 4979115, 6638820, 9958230, 19916460]

約数ペア:

[(1, 19916460), (2, 9958230), (3, 6638820), (4, 4979115), (5, 3983292), (6, 3319410), (9, 2212940), (10, 1991646), (12, 1659705), (15, 1327764), (18, 1106470), (20, 995823), (30, 663882), (36, 553235), (45, 442588), (60, 331941), (90, 221294), (180, 110647)]