19148490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1703

約数の個数: 48

約数和(自身を含む): 50181768

約数和(自身を除く): 31033278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1553, 2055, 2466, 3106, 4110, 4659, 6165, 7765, 9318, 12330, 13977, 15530, 23295, 27954, 46590, 69885, 139770, 212761, 425522, 638283, 1063805, 1276566, 1914849, 2127610, 3191415, 3829698, 6382830, 9574245, 19148490]

約数ペア:

[(1, 19148490), (2, 9574245), (3, 6382830), (5, 3829698), (6, 3191415), (9, 2127610), (10, 1914849), (15, 1276566), (18, 1063805), (30, 638283), (45, 425522), (90, 212761), (137, 139770), (274, 69885), (411, 46590), (685, 27954), (822, 23295), (1233, 15530), (1370, 13977), (1553, 12330), (2055, 9318), (2466, 7765), (3106, 6165), (4110, 4659)]