18990944

素因数分解:

$2^5\times 7^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 24101056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 149, 224, 298, 569, 596, 1043, 1138, 1192, 2086, 2276, 2384, 3983, 4172, 4552, 4768, 7966, 8344, 9104, 15932, 16688, 18208, 31864, 33376, 63728, 84781, 127456, 169562, 339124, 593467, 678248, 1186934, 1356496, 2373868, 2712992, 4747736, 9495472, 18990944]

約数ペア:

[(1, 18990944), (2, 9495472), (4, 4747736), (7, 2712992), (8, 2373868), (14, 1356496), (16, 1186934), (28, 678248), (32, 593467), (56, 339124), (112, 169562), (149, 127456), (224, 84781), (298, 63728), (569, 33376), (596, 31864), (1043, 18208), (1138, 16688), (1192, 15932), (2086, 9104), (2276, 8344), (2384, 7966), (3983, 4768), (4172, 4552)]