18429872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 37438080

約数和(自身を除く): 19008208

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 146, 248, 292, 496, 509, 584, 1018, 1168, 2036, 2263, 4072, 4526, 8144, 9052, 15779, 18104, 31558, 36208, 37157, 63116, 74314, 126232, 148628, 252464, 297256, 594512, 1151867, 2303734, 4607468, 9214936, 18429872]

約数ペア:

[(1, 18429872), (2, 9214936), (4, 4607468), (8, 2303734), (16, 1151867), (31, 594512), (62, 297256), (73, 252464), (124, 148628), (146, 126232), (248, 74314), (292, 63116), (496, 37157), (509, 36208), (584, 31558), (1018, 18104), (1168, 15779), (2036, 9052), (2263, 8144), (4072, 4526)]