18737348

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 38787840

約数和(自身を除く): 20050492

約数列:

[1, 2, 4, 7, 14, 28, 73, 89, 103, 146, 178, 206, 292, 356, 412, 511, 623, 721, 1022, 1246, 1442, 2044, 2492, 2884, 6497, 7519, 9167, 12994, 15038, 18334, 25988, 30076, 36668, 45479, 52633, 64169, 90958, 105266, 128338, 181916, 210532, 256676, 669191, 1338382, 2676764, 4684337, 9368674, 18737348]

約数ペア:

[(1, 18737348), (2, 9368674), (4, 4684337), (7, 2676764), (14, 1338382), (28, 669191), (73, 256676), (89, 210532), (103, 181916), (146, 128338), (178, 105266), (206, 90958), (292, 64169), (356, 52633), (412, 45479), (511, 36668), (623, 30076), (721, 25988), (1022, 18334), (1246, 15038), (1442, 12994), (2044, 9167), (2492, 7519), (2884, 6497)]