17994690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9521}}^1$

素因数の和:9544

約数の個数: 64

約数和(自身を含む): 54846720

約数和(自身を除く): 36852030

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, 9521, 19042, 28563, 47605, 57126, 66647, 85689, 95210, 133294, 142815, 171378, 199941, 257067, 285630, 333235, 399882, 428445, 514134, 599823, 666470, 856890, 999705, 1199646, 1285335, 1799469, 1999410, 2570670, 2999115, 3598938, 5998230, 8997345, 17994690]

約数ペア:

[(1, 17994690), (2, 8997345), (3, 5998230), (5, 3598938), (6, 2999115), (7, 2570670), (9, 1999410), (10, 1799469), (14, 1285335), (15, 1199646), (18, 999705), (21, 856890), (27, 666470), (30, 599823), (35, 514134), (42, 428445), (45, 399882), (54, 333235), (63, 285630), (70, 257067), (90, 199941), (105, 171378), (126, 142815), (135, 133294), (189, 95210), (210, 85689), (270, 66647), (315, 57126), (378, 47605), (630, 28563), (945, 19042), (1890, 9521)]