19860990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10853}}^1$

素因数の和:10924

約数の個数: 32

約数和(自身を含む): 48452256

約数和(自身を除く): 28591266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 10853, 21706, 32559, 54265, 65118, 108530, 162795, 325590, 662033, 1324066, 1986099, 3310165, 3972198, 6620330, 9930495, 19860990]

約数ペア:

[(1, 19860990), (2, 9930495), (3, 6620330), (5, 3972198), (6, 3310165), (10, 1986099), (15, 1324066), (30, 662033), (61, 325590), (122, 162795), (183, 108530), (305, 65118), (366, 54265), (610, 32559), (915, 21706), (1830, 10853)]