18803610

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9949}}^1$

素因数の和:9972

約数の個数: 64

約数和(自身を含む): 57312000

約数和(自身を除く): 38508390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9949, 19898, 29847, 49745, 59694, 69643, 89541, 99490, 139286, 149235, 179082, 208929, 268623, 298470, 348215, 417858, 447705, 537246, 626787, 696430, 895410, 1044645, 1253574, 1343115, 1880361, 2089290, 2686230, 3133935, 3760722, 6267870, 9401805, 18803610]

約数ペア:

[(1, 18803610), (2, 9401805), (3, 6267870), (5, 3760722), (6, 3133935), (7, 2686230), (9, 2089290), (10, 1880361), (14, 1343115), (15, 1253574), (18, 1044645), (21, 895410), (27, 696430), (30, 626787), (35, 537246), (42, 447705), (45, 417858), (54, 348215), (63, 298470), (70, 268623), (90, 208929), (105, 179082), (126, 149235), (135, 139286), (189, 99490), (210, 89541), (270, 69643), (315, 59694), (378, 49745), (630, 29847), (945, 19898), (1890, 9949)]