18131456

素因数分解:

$2^9\times 7^1\times {\mathrm{5059}}^1$

素因数の和:5084

約数の個数: 40

約数和(自身を含む): 41411040

約数和(自身を除く): 23279584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5059, 10118, 20236, 35413, 40472, 70826, 80944, 141652, 161888, 283304, 323776, 566608, 647552, 1133216, 1295104, 2266432, 2590208, 4532864, 9065728, 18131456]

約数ペア:

[(1, 18131456), (2, 9065728), (4, 4532864), (7, 2590208), (8, 2266432), (14, 1295104), (16, 1133216), (28, 647552), (32, 566608), (56, 323776), (64, 283304), (112, 161888), (128, 141652), (224, 80944), (256, 70826), (448, 40472), (512, 35413), (896, 20236), (1792, 10118), (3584, 5059)]