18697888

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 40582080

約数和(自身を除く): 21884192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 439, 484, 878, 968, 1331, 1756, 1936, 2662, 3512, 3872, 4829, 5324, 7024, 9658, 10648, 14048, 19316, 21296, 38632, 42592, 53119, 77264, 106238, 154528, 212476, 424952, 584309, 849904, 1168618, 1699808, 2337236, 4674472, 9348944, 18697888]

約数ペア:

[(1, 18697888), (2, 9348944), (4, 4674472), (8, 2337236), (11, 1699808), (16, 1168618), (22, 849904), (32, 584309), (44, 424952), (88, 212476), (121, 154528), (176, 106238), (242, 77264), (352, 53119), (439, 42592), (484, 38632), (878, 21296), (968, 19316), (1331, 14048), (1756, 10648), (1936, 9658), (2662, 7024), (3512, 5324), (3872, 4829)]